NOTES/solved Exercises: COMPUTER EDUCATION (AQUILINE) PCTB PAKISTAN 2020

NOTES COMPUTER EDUCATION (AQUILINE) PCTB PAKISTAN 2020

CONTENTS

UNIT 1: INTRODUCTION TO COMPUTERS PAGE: 1-28

1.1 WHAT IS A COMPUTER?

1.2 COMPONENTS OF A COMPUTER

1. 3 HOW A COMPUTER WORKS?

UNIT 2:  INTRODUCTION TO WINDOWS PAGE: 29-58

2.1 STEPPING INTO WINDOWS

2.2 WORKING WITH WINDOWS

2.3 MANAGING FILES AND FOLDERS

UNIT 3: COMMONLY USED SOFTWARE PAGE: 59-114

3.1 WORKING WITH PAINT

3.2 USING A TYPING TUTOR

3.3 WORKING WITH WORD

3.4 USING MEDIA PLAYER

UNIT 4: THE LNTERNET AND WORLD WIDE WEB PAGE: 115-135

4.1 INTRODUCTION TO INTERNET

4.2 THE WORLD WIDE WEB

UNIT 1: INTRODUCTION TO COMPUTERS PAGE: 1-28

EXERCISE

Q1 TICK THE RIGHT CHOICE

ANSWERS:

i. (a) data iv. (c) Microsoft windows vii. (a) system unit x. (d) printer xiii (b) output ii. (b) information v. (c) qwerty viii.(c) digital camera xi. (b) central processing unit xiv. (d) printer iii. (b) physical vi (b)input ix (a) microphone xii (b) permanent xv.(c) four

Q2 FILL IN THE BLANKS.

ANSWERS:

i. instructions iv. single vii. hoppy x. processing ii. facts and figures v. input viii. versatile iii. software vi. system mainboard ix. output

Q.3 DEFINE THE FOLLOWING.

I) COMPUTER
ANSWER:computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. 
II) MEMORY
ANSWER: Any device that holds computer data.
III) SOFTWARE
ANSWER: SOFTWARE the programs and other operating information used by a computer.
IV) HARD DISK
ANSWER: A device (usually within the computer case) that reads and writes information, including the operating system, program files, and data files
V) MOTHERBOARD
ANSWER: motherboard is the main printed circuit board (PCB) in general-purpose computers and other expandable systems.
VI) PROCESSING OPERATION/ process manufacturing / process production
ANSWER: PROCESSING OPERATION is the mass production method of producing products in a continuous flow.

Q4 DIFFERENTIATE BETWEEN THE FOLLOWING.

I) DATA AND INFORMATION
ANSWER: Information is a processed, organised data presented in a given context and is useful to humans.  Data is an individual unit that contains raw material which does not carry any specific meaning.  Information is a group of data that collectively carry a logical meaning.
II) SINGLE CLICK AND DOUBLE CLICK
ANSWER:single click initiates a user interface (UI) action and a doubleclick extends the action. For example, one click usually selects an item, and a doubleclick edits the selected item. … One solution is to handle the doubleclick event and roll back the actions in the handling of the click event.
III) HARDWARE AND SOFTWARE
ANSWER: Computer hardware is any physical device used in or with your machine, whereas software is a collection of programming code installed on your computer’s hard drive. In other words, hardware is something you can hold in your hand, whereas software cannot be held in your hand.
IV) CD AND DVD
ANSWER: CD, short for Compact Disc, is an optical medium that can store digital data. … A standard DVD can hold 4.7 GB of data. So DVD is widely used to store large files like video and movies. The capacity is the biggest difference between CD and DVD.
V) INPUT DEVICES AND OUTPUT DEVICES
ANSWER: An input device sends information to a computer system for processing, and an output device reproduces or displays the results of that processing. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device.
VI) INPUT OPERATION AND OUTPUT OPERATION
ANSWER: The stream flowing from an input device like a keyboard to the main memory, it is called the Input Operation. On the other hand, streams that flow from the main memory to an output device like a screen is called an Output Operation.

Q.5 GIVE BRIEF ANSWERS TO THE FOLLOWING QUESTIONS.

QUESTION NO. I) WRITE FIVE ADVANTAGES OF USING COMPUTERS.
ANSWER: ADVANTAGES OF USING COMPUTERS Increase your productivity. … Connects you to the Internet. … Can store vast amounts of information and reduce waste. … Helps sort, organize, and search through information. … Get a better understanding of data.
QUESTION NO. II) WHAT IS HARDWARE? WRITE THE NAMES OF FIVE HARDWARE DEVICES.
ANSWER: HARDWARE Hardware is the physical computer equipment. Hardware Monitor. Motherboard. CPU(Microprocessor. Main memory(RAM) Power supply unit.
QUESTION NO. III) WRITE FUNCTIONS OF THE FOLLOWING KEYBOARD KEYS. A) TAB B) ESC C) ENTER D) SHIFT  E) CAPS LOCK
ANSWER: a) The tab key Tab ↹ (tabulator key or tabular key) on a keyboard is used to advance the cursor to the next tab stop. B) ESC An electronic speed control or ESC is an electronic circuit that controls and regulates the speed of an electric motor. C) ENTER (Return key), on a keyboard, the Enter key sends the cursor to the next line or executes a command or operation. D) SHIFT  Shift functions horizontally and vertically, and practice the relationship between the graphical and the algebraic representations of those shifts. E) CAPS LOCK The Caps Lock key (toggle key) allows you to switch the letters on your keyboard from lowercase to uppercase. 
QUESTION NO. IV) WHAT DOES A PROCESSOR DO?
ANSWER: Central Processing Unit, (The CPU/processor) is the main chip in a computer responsible for carrying out all tasks. It’s responsible for telling all the other components in a computer what to do, according to the instructions it is given by the programs (software) running on that computer.
QUESTION NO. V) WHAT IS MEMORY? IS IT A TEMPORARY STORAGE DEVICE?
ANSWER: Memory refers to the processes that are used to acquire, store, retain, and later retrieve information. There are three major processes involved in memory: encoding, storage, and retrieval. THERE ARE TWO TYPES OF MEMORY  RAM(random access memory) is volatile memory that temporarily stores the files you are working on.  ROM(read-only memory) is non-volatile memory that permanently stores instructions for your computer.
QUESTION NO. VI) WRITE A SHORT NOTE ON HARD DISK
ANSWER:hard disk drive (HDD) is a non-volatile computer storage device containing magnetic disks or platters rotating at high speeds. It is a secondary storage device used to store data permanently, random access memory (RAM) being the primary memory device.
QUESTION NO. VII) WRITE ADVANTAGES OF USB HASH MEMORY.
ANSWER: Advantages of Flash Memory Increased Durability. Maximum Portability.Plenty of Storage Capacity. Fast Transfer Speeds.Compatibility with Many Devices.
QUESTION NO. VIII) EXPLAIN DIFFERENT TYPES OF MONITORS.
ANSWER: TYPES OF MONITORS CRT (CATHODE RAY TUBE) MONITORS These monitors employ CRT technology, which was used most commonly in the manufacturing of television screens. With these monitors, a stream of intense high energy electrons is used to form images on a fluorescent screen. A cathode ray tube is basically a vacuum tube containing an electron gun at one end and a fluorescent screen at another end. While CRT monitors can still be found in some organizations, many offices have stopped using them largely because they are heavy, bulky, and costly to replace should they break. While they are still in use, it would be a good idea to phase these monitors out for cheaper, lighter, and more reliable monitors.  LCD (LIQUID CRYSTAL DISPLAY) MONITORS                  The LCD monitor incorporates one of the most advanced technologies available today. Typically, it consists of a layer of color or monochrome pixels arranged schematically between a couple of transparent electrodes and two polarizing filters.                  Optical effect is made possible by polarizing the light in varied amounts and making it pass through the liquid crystal layer. The two types of LCD technology available are the active matrix of TFT and a passive matrix technology. TFT generates better picture quality and is more secure and reliable. Passive matrix, on the other hand, has a slow response time and is slowly becoming outdated.                 The advantages of LCD monitors include their compact size which makes them lightweight. They also don’t consume much electricity as CRT monitors, and can be run off of batteries which makes them ideal for laptops.             Images transmitted by these monitors don’t get geometrically distorted and have little flicker. However, this type of monitor does have disadvantages, such as its relatively high price, an image quality which is not constant when viewed from different angles, and a monitor resolution that is not always constant, meaning any alterations can result in reduced performance.   LED (LIGHT-EMITTING DIODES) MONITORS             LED monitors are the latest types of monitors on the market today. These are flat panel, or slightly curved displays which make use of light-emitting diodes for back-lighting, instead of cold cathode fluorescent (CCFL) back-lighting used in LCDs. LED monitors are said to use much lesser power than CRT and LCD and are considered far more environmentally friendly.
QUESTION NO. IX) WHAT IS A MODEM? EXPLAIN ITS DIFFERENT TYPES.
ANSWER: MODEM             Modem is short for “Modulator-Demodulator.” It is a hardware component that allows a computer or another device. Types of Modems • Modems can be of several types and they can be categorized in a number of ways. • Categorization is usually based on the following basic modem features: 1. Directional capacity: half duplex modem and full duplex modem. 2. Connection to the line: 2-wire modem and 4-wire modem. 3. Transmission mode: asynchronous modem and synchronous modem.
QUESTION NO. X) EXPLAIN THE OUTPUT OPERATION OF A COMPUTER.
ANSWER:  Output (Data generated by a computer).  This includes data produced at a software level, such as the result of a calculation, or at a physical level, such as a printed document. A basic example of software output is a calculator program that produces the result of a mathematical operation.

Q.6 MATCH COLUMN A WITH COLUMN B AND WRITE THE NUMBERS OF MATCHING PAIRS IN COLUMN C.

ANSWERS:

(I-F)(II-A)(III-B)(IV-J)(V-K)(VI-H)(VII-C)(VIII-I)(IX-E)(X-D)

Q.7 LABEL THE FOLLOWING KEYBOARD.

UNIT 2:  INTRODUCTION TO WINDOWS PAGE: 29-58

EXERCISE

Q1 TICK THE RIGHT CHOICE

Answers:

i. (a) Microsoft windows iv. (d) bottom vii. (d) my computer x (a) status xiii (a) copy ii. (c) desktop v. (c) recycle bin viii (b) window xi. (c) file xiv. (b)shift iii. (c) start menu vi. (c) notification area ix (c) title xii. (a) envelopes xv. (c) drive

Q2 FILL IN THE BLANKS.

ANSWERS:

i. icons iv. restore vii. taskbar x folders ii. internet explorer v. scroll viii. three iii. menu vi. maximize ix. extension

Q3 DIFFERENTIATE BETWEEN THE FOLLOWING.

I) DESKTOP AND START MENU.
ANSWER: desktop               A desktop computer is a personal computer designed for regular use at a single location. Start menu               The Microsoft Windows Start menu is the primary location in Windows to locate your installed programs and find any files or folders.
II) MY DOCUMENTS ICON AND MY COMPUTER ICON.
ANSWER: My Documents                My Documents is the commonly recognized name of a special folder in Microsoft Windows .  My Computer                The My Computer folder’s primary purpose is to provide a shortcut to Windows Explorer. The system-level window displays all the hard drives, external drives and storage cards.
III) MAXIMIZE BUTTON AND MINIMIZE BUTTON.
ANSWER: Minimize button                  The Minimize button shrinks the window and places it on the taskbar while leaving the program running. Maximize button                The Maximize button is used to enlarge a window to cover the entire desktop. After a window is maximized, the Maximize button changes to the Restore button.
IV) FILE AND FOLDER.
ANSWER:             file                A file is the common storage unit in a computer, and all programs and data are “written” into a file and “read” from a file.  folder            A folder holds one or more files, and a folder can be empty until it is filled. … In fact, files that contain text are often called documents.
V) COPY A FILE/FOLDER AND CUT A file/FOLDER
ANSWER:  COPY A FILE/FOLDER                  In digital file management, file FOLDER copying/ cutting is the creation of a new file FOLDER which has the same content as an existing file.

Q.4 DEFINE THE FOLLOWING.

I) DESKTOP
ANSWER:  desktop              A desktop is a term commonly used to describe a desktop computer or system unit.
II) FOLDER
ANSWER: FOLDER a folding cover or holder, typically made of stiff paper or card, for storing loose papers.
III) START MENU
ANSWER: START MENU             The Start menu is a graphical user interface element used in Microsoft Windows and in some other operating systems. It provides a central launching point for computer programs and performing other tasks.
IV) A WINDOW
ANSWER: WINDOW             A window is a separate viewing area on a computer display screen in a system that allows multiple viewing areas as part of a graphical user interface ( GUI ).
V) TASK BAR
ANSWER: TASK BAR a bar at the edge of the display of a graphical user interface that allows quick access to current or favourite applications.

Q.5 GIVE BRIEF ANSWERS TO THE FOLLOWING QUESTIONS.

QUESTION NO. I) DESCRIBE THE STEPS OF THE STARTUP PROCEDURE OF THE WINDOWS.
ANSWER: The normal startup sequence for Windows  is: Power-on self test (POST) phase.Initial startup phase.Windows Boot Manager phase.Windows Boot Loader phase.Kernel loading phase.Logon phase.
QUESTION NO. II) WHAT IS START MENU?
ANSWER:                    Start menu is the primary location in Windows to locate your installed programs and find any files or folders.
QUESTION NO. III) DESCRIBE THE FUNCTION OF THE NOTIFICATION AREA.
ANSWER:              The notification area is a portion of the taskbar that provides a temporary source for notifications and status. It can also be used to display icons for system and program features that have no presence on the desktop.
QUESTION NO. IV) HOW MANY WAYS ARE THERE TO OPEN A WINDOW/PROGRAM IN WINDOWS?
ANSWER: TASKBAR KEYBOARD SHORTCUTS                On Windows 7, you can press the Windows key along with a number to quickly launch the corresponding application on your taskbar. START MENU SEARCH                You can use the Start menu’s search feature to launch a program with just a few key presses. For this, press the Windows key on your keyboard. CUSTOM SHORTCUT KEY             If you launch an application frequently, you can assign a custom keyboard shortcut to it. RUN DIALOG           You can also use the Run dialog to quickly launch applications. Open it by pressing WinKey+R.
QUESTION NO. V) WHAT IS A DRIVE?
ANSWER: DRIVE       A drive is a computer component used to store data. It may be a static storage device or may use removable media.
QUESTION NO. VI) WHAT IS A FILE? WRITE THE PARTS OF A FILE WITH AN EXAMPLE.
ANSWER: FILE        A file is an object on a computer that stores data, information, settings, or commands used with a computer program. Files consist of three parts…  1. The file name (allaboutme.ppt) – The file name is what you save or call the file…”allaboutme” in this example. 2. The dot (allaboutme.ppt) – The “dot” separates the file name from the file extension. 3. The file extension (allaboutme.ppt) – The file extension tells the computer what software.
QUESTION NO. VII) HOW CAN A USER CREATE A FOLDER USING RIGHT CLICK MENU?
ANSWER: To create a folderrightclick, then select New>FolderRightclick in File Explorer, then select New>Folder           In Windows 7, there is a New folder button near the top of the window.  In Windows 10, you can also click the Home tab, then the New Folder button.
QUESTION NO. VIII) WHAT IS THE IMPORTANCE OF FOLDERS? EXPLAIN BRIEFLY WITH AN EXAMPLE.
ANSWER:               Folders help you keep your files organized and separate. If you had no folders on your computer, your documents, programs, and operating system files would all be located in the same place.  Folders also allow you to have more than one file with the same file name.                     EXAMPLES:            You might store your digital photos in a “Pictures” folder, your audio files in a “Music” folder, and your word processing documents in a “Documents” folder.
QUESTION NO. IX) WRITE THE NAMES OF FIVE DIFFERENT PARTS OF A WINDOW.
ANSWER: PARTS OF A WINDOWS IN COMPUTER              The Title Bar. At the top of every window is the title bar. …Minimize, Maximize, Close Buttons. In the upper right-hand corner of the window are the three buttons used to minimize, maximize, and close the window. The Scroll Bar. The Menu Bar.
QUESTION NO. X) WHAT ARE ICONS? WRITE NAMES OF THE DESKTOP ICONS.
ANSWER: ICONS                 An icon is a small graphical representation of a program or file. Common desktop icons;  Computer, your personal folder, Network, the Recycle Bin, Internet Explorer, and Control Panel.

Q.6 MATCH COLUMNS.

Answers: (i-j)(ii-e)(iii-f)(iv-i)(v-c)(vii-g)(viii-d)(ix-b)(x-h)

UNIT 3: COMMONLY USED SOFTWARE PAGE: 59-114

EXERCISE

Q1 TICK THE RIGHT CHOICE

ANSWERS:

i (a) graphics iv. (a) spray ii.(a) asdf and jkl; x (a) ms word xiii.(b) right ii. (b) shift v. (d) fill with color viii (d)typing speed xi. (a) Microsoft office button xiv. (a) media player iii. (b) tex! vi. (b) magnifier ix (a) asdf xii.(a) ribbons xv. (c) tum off

Q2 FILL IN THE BLANKS.

ANSWERS:

i.  freehand iv. thumb vii. text editing x. stop ii. spray v. word viii. ctl+b iii. asdf and jkl vi. groups ix grammatical

Q3 DEFINE THE FOLLOWINGS.

I) TEXT EDITING
ANSWER:                 TEXT EDITING The ability to change text by adding, deleting and rearranging letters, words, sentences and paragraphs. Text editing is the main operation users perform in word processors, which typically also handle graphics and other multimedia files. 
II) RIBBON
ANSWER:                  A ribbon is a graphical control element in the form of a set of toolbars placed on several tabs. The typical structure of a ribbon includes large, tabbed toolbars, filled with graphical buttons and other graphical control elements, grouped by functionality.
III) TOOL BOX 
ANSWER:              A toolbox is a window or pane that contains icons and buttons that are tools in the program. 
IV) PLAYBACK CONTROLS
ANSWER:               PBC, playback control is a way top control disc play on VCDs. Playback control allows users to interact with the disc through menus.
V) TEXT ALIGNMENT
ANSWER:         Text alignment is a word processing software feature that allows users to horizontally align text on a page/document. It enables the composition of a text document using different text positioning on the whole or selected part of a page.

Q.4 DIFFERENTIATE BETWEEN THE FOLLOWING.

I) BRUSH TOOL AND PENCIL TOOL
ANSWER:            BRUSH TOOL In graphics and image-editing programs, the brush tool is an element of the painting tool that allows you to select a brush shape (square, circle, oval and so on) PENCIL TOOL The Pencil tool is used to draw free hand lines with a hard edge. The pencil and paintbrush are similar tools. 
II) DELETE KEY AND BACKSPACE KEY
ANSWER:              DELETE KEY (DEL)                      Delete key is used to remove characters and other objects.                  BACKSPACE KEY              ← Backspace is the keyboard key that originally pushed the typewriter carriage one position backwards and in modern computer systems moves the display cursor one position backwards, deletes the character at that position, and shifts back the text after that position by one position.
III) FOREGROUND AND BACKGROUND COLOR BOXES
ANSWER:                FOREGROUND                   The foreground contains the applications the user is working on, and the background contains the applications that are behind the scenes, such as certain operating system functions, printing a document or accessing the network. BACKGROUND COLOR BOXES                They help bring more color and highlight sections of information on a page.
IV) PAUSE BUTTON AND STOP BUTTON
ANSWER: PAUSE BUTTONPause Break” key.                 The primary function was to pause a game or pause a scrolling output, to interrupt a modem connection and so on. STOP BUTTON                 It is used to stop a computer game.
V) CUT TEXT AND COPY TEXT
ANSWER: CUT TEXT             The act of transferring text from one part of a document  to a different location within same computer. COPY TEXT            The act of transferring text from one part of a document  to a different location within same computer.

Q.5 GIVE BRIEF ANSWERS NO THE FOLLOWING QUESTIONS.

QUESTION NO. I) WHAT ARE THE USES OF PAINT?
ANSWER:                  Microsoft Paint (MS Paint) is a basic graphics/painting utility that is included in all the Microsoft Windows versions.               MS Paint can be used to draw, colour and edit pictures, including imported pictures from a digital camera for example.
QUESTION NO. II) HOW CAN A USER DRAW A FREEHAND DRAWING A PAINT?
ANSWER:                 Microsoft Paint is an application software that allows us to do freehand drawing in computer. The images can be saved in JPEG, TIFF, PNG, and GIF and in Bitmap. It has several options such as “Fill tool”, “Pick Colour”, “Pencil and Brush”, “Airbrush” and “Text”(to write on images)
QUESTION NO. III) EXPLAIN THE IMPORTANCE OF HOME KEYS IN TYPING.
ANSWER:              Why should fingers be placed on home row keys? Placing your fingers on the home row keys helps increase your typing speed because it allows easy access to all other keys surrounding those fingers.
QUESTION NO. IV) WRITE THE STEPS TO CREATE NEW WORD DOCUMENT.
ANSWER: To create a new blank document: Click the Microsoft Office button.Select New. The New Document dialog box appears.Select Blank document under the Blank and recent section. It will be highlighted by default.Click Create. A new blank document appears in the Word window.
QUESTION NO. V) WRITE THE NAMES OF DIFFERENT CASE OPTIONS IN WORD 2002?
ANSWER:               These are the choices in the dialog box: Sentence Case. This option capitalizes the first letter of each sentence in the selection. Lowercase. This option makes all the selected text lowercase. Uppercase. This option capitalizes each letter in the selection. Title Case. Toggle Case.
QUESTION NO. VI) DEFINE THE FONT AND WRITE THE NAMES OF THREE FAMOUS FONTS.
ANSWER: FONT            A font is a collection of characters with a similar design. These characters include lowercase and uppercase letters, numbers, punctuation marks, and symbols. THREE FAMOUS FONTS ARIALCALIBRITIMES NEW ROMANS
QUESTION NO. VII) EXPLAIN TEXT ALIGNMENT AND ITS DIFFERENT TYPES.
ANSWER: TEXT ALIGNMENT             Text alignment primarily places the cursor or aligns the text with the different margins of the document. TYPES           There are four different types of text alignment features, including: Right alignment: This starts each new line of the document on the right-most margin of the page. Left alignment: As the default alignment in most word processing software, it starts each line on the left-most margin. Center alignment: This positions and starts each new line/text block in the center/middle margin on the page. Justified alignment: This aligns text with right and left margins and tries to fill as much empty space as possible. It enables a straight margin on both of the page’s horizontal edges.
QUESTION NO. VIII) WRITE DOWN THE STEPS TO ACCESS MEDIA PLAYER IN THE WINDOWS?
ANSWER: How to Use Windows Media Player in Windows  Click Windows Media Player’s Organize button and choose Manage Libraries from the drop-down menu to reveal a pop-out menu. …From the pop-out menu, choose the name of the type of files you’re missing.Click the Add button, select the folder or drive containing your files, click the Include Folder button, and click OK.
QUESTION NO. IX) WRITE NAME OF THE TOOL USED TO DRAW CURVES.
ANSWER:                The curved line drawing tool is used to create curved or straight lines. The curve tools include: the Freehand tool, the 2-Point Line tool, the Bezier tool, the Artistic Media tool, the Pen tool, the B-Spline tool, the Polyline tool, and the 3-Point Curve tool
QUESTION NO. X) HOW CAN WE DRAW A CIRCLE IN PAINT?
ANSWER:                You can force the MS Paint ellipse tool to draw a circle by holding ⇧ Shift while you click and drag the mouse. You can also snap an ellipse into a circle by holding ⇧ Shift after the ellipse is drawn, but before releasing the mouse button.

Q6 MATCH COLUMN A WITH COLUMN B AND WRITE THE NUMBER OF MATCHING PAIRS IN COLUMN C

ANSWERS:

(i-d)(ii-c)(iii-f)(iv-g)(v-e)(vi-a)(vii-h)(viii-b)

Q7:

ANSWERS:

(i-j)(ii-g)(iii-f)(iv-h)(v-)(vi-c)(vii-a)(viii-e) (ix-i)(x-d)

UNIT 4: THE LNTERNET AND WORLD WIDE WEB PAGE: 115-135

EXERCISE

Q1 TICK THE RIGHT CHOICE

ANSWERS:

i. (a) internet iv. (a) digital subscriber line vii (b) web browser x (a) web page xiii. (a) url ii. (c) instant messaging v. (a) two viii.(d) world wide web xi (a) website xiv. (b) msn iii(b) internet service provider vi. (d) ptcl ix (b) the web xii. (b) cable tv xv. (d) search engine

Q2 FILL IN THE BLANKS.

ANSWERS:

i Network iv. System Unit vii. internet Explorer x. Google ii. E-mail v. ISP viii. Address bar iii. Online vi. Telephone ix. Home

Q.3 DEFINE THE FOLLOWING.

I) INTERNET
ANSWER:              The Internet is a massive network of networks, a networking infrastructure. It connects millions of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet.
II) WORLD WIDE WEB
ANSWER:               The World Wide Web (WWW), commonly known as the Web, is an information system where documents and other web resources are identified by Uniform Resource Locators (URLs, such as https://example.com/ ), which may be interlinked by hypertext, and are accessible over the Internet.
III) DSL
ANSWER:              A digital subscriber line (DSL) modem is a device used to connect a computer or router to a telephone line which provides the digital subscriber line service for connection to the Internet, which is often called DSL broadband.
IV) WEB BROWSER
ANSWER:               A web browser (commonly referred to as a browser) is a software application for accessing information on the World Wide Web. When a user requests a web page from a particular websitethe web browser retrieves the necessary content from a web server and then displays the page on the user’s device.
V) WEB SITE
ANSWER:                A website is a presence on the World Wide Web. … Rendered with various spellings (“Web site,” “web site” and “Website“), a website is a collection of Web pages (files) coded in HTML that are linked to each other and to pages on other sites.
VI) URL
ANSWER:             A Uniform Resource Locator (URL), colloquially termed a web address, is a reference to a web resource that specifies its location on a computer network and a mechanism for retrieving it. A URL is a specific type of Uniform Resource Identifier (URI), although many people use the two terms interchangeably.

Q4 GIVE BRIEF ANSWERS TO THE FOLLOWING QUESTIONS.

QUESTION NO. I) USE FIVE USES OF THE INTERNET.
ANSWER: USES OF THE INTERNET Electronic mail. Research.Downloading files.Education Electronic newspapers and magazines.
QUESTION NO. II) WRITE STEPS TO CONNECTING TO THE INTERNET
ANSWER: Connect a PC to your wireless network                   Select the Network or icon in the notification area.In the list of networks, choose the network that you want to connect to, and then select Connect.Type the security key (often called the password).Follow additional instructions if there are any.
QUESTION NO. III) DEFINE MODEM AND ITS TYPES
ANSWER:             A modem or broadband modem is a hardware device that connects a computer or router to a broadband network. MODEM TYPES a cable modem  DSL modem
QUESTION NO. IV) WRITE NAMES OF SOME POPULAR WEB BROWSERS.
ANSWER: TOP WEB BROWSERS Google Chrome. Firefox. Safari. Internet Explorer. Opera.
QUESTION NO. V) WHAT ARE THE MAJOR DIFFERENCES BETWEEN DIAL-UP AND DSL CONNECTIONS?
ANSWER: Differences between dialup and DSL Dialup DSL Occupy a phone line Phone line is used for either voice service or internet connection Phone line is not affected by internet connection Simultaneous transmission of data (DSL) and voice or fax services Connection speed: < 56 Kbps 256 Kbps to 20 Mbps Have to dial an access number to connect to the internet Always on Connected using a computer modem Connected through a DSL modem Unique IP address for each connection Static IP address (higher security risk) Low monthly fee Higher monthly fee Easy setup, no setup fee Self installation is usually free.  A setup fee is needed if installed by a technician. Available to everyone with a phone line Not every phone line is equipped for DSL service.  May not be available in some remote / rural areas.
QUESTION NO. VI) HOW CAN WE ACCESS WEBSITES IN MICROSOFT WIND0WS?
ANSWER:               Swipe in from the right edge of the screen (OR press the Windows + C keys), and then tap or click Search. Enter Internet options in the search box, and then tap or click Settings. In the search results, tap or click Internet Options.
QUESTION NO. VII) DESCRIBE CABLE MODEM INTERNET CONNECTION.
ANSWER:              A cable modem is a hardware device that allows your computer to communicate with an Internet service provider over a landline connection. It converts an analog signal to a digital signal for the purpose of granting access to broadband Internet. … Network routers share your Internet connection between multiple computers.
QUESTION NO. VIII) DESCRIBE THE FUNCTION OF REFRESH, STOP, NED, BACK AND STOP BUTTONS IN INTERNET EXPLORER.
ANSWER:              REFRESH:                 Clicking the Refresh button (the curly arrow to the right of the Address field) reloads the contents of the current web page, which allows the web server to update the page with any new information.  STOP :             This option is wonderfully self-explanatory. If a page is loading, the Refresh button turns into a Stop button (which looks like an X), and you can click it to cancel a page from loading. NEXT         If you click Back, you need a way to return, right? Click the Forward button to go to the next page (or pages) where you originally were, in forward order. From the keyboard, you can press Alt+→ to move forward. BACK          With a click or tap of the Back button, Internet Explorer returns to the last page you visited, and each subsequent use of the Back button takes you one more page back. You can also press Alt+<– on your keyboard to move backward.
QUESTION NO. IX) HOW CAN WE SEARCH A WEB PAGE USING SEARCH ENGINE?
ANSWER:            To perform a search, you’ll need to navigate to a search engine in your web browser, type one or more keywords—also known as search terms—then press Enter on your keyboard. In this example, we’ll search for recipes. After you run a search, you’ll see a list of relevant websites that match your search terms.
QUESTION NO. X) WRITE NAMES AND URLS OF SOME POPULAR SEARCH ENGINES.
ANSWER: List of POPULAR Search Engines Google. Bing. Yahoo. Baidu. AOL. Ask.com. Excite. DuckDuckGo.

Q.5 DIFFERENTIATE BETWEEN THE FOLLOWING.

I) INTERNET AND WORLD WIDE WEB
ANSWER:             The Internet is a global system of interconnected computer networks. In contrast, the World Wide Web is a global collection of documents and other resources, linked by hyperlinks and URIs.
II) CHATTING AND INSTANT MESSAGING
ANSWER:  Chat and instant messaging         (IM) are short messages sent and read in real time, allowing you to converse more quickly and easily than email.  Chat and IM are generally used when both (or all) people are online, so your message can be read immediately.
III) WEB PAGE AND WEBSITE
ANSWER: WEB PAGE.             A document which can be displayed in a web browser such as Firefox, Google Chrome, Opera, Microsoft Internet Explorer or Edge, or Apple’s Safari.               A collection of web pages which are grouped together and usually connected together in various ways. Often called a “web site” or simply a “site.”
IV) TELEPHONE MODEMS AND CABLE MODEMS
ANSWER: TELEPHONE MODEMS              A dial-up modem transmits computer data over an ordinary switched telephone line that has not been designed for data use. CABLE MODEMS             A cable modem is a type of network bridge that provides bi-directional data communication via radio frequency channels on a hybrid fibre-coaxial (HFC), radio frequency over glass (RFoG) and coaxial cable infrastructure. Cable modems are primarily used to deliver broadband Internet access in the form of cable Internet, taking advantage of the high bandwidth of a HFC and RFoG network.
V) WEB BROWSER AND SEARCH ENGINE
ANSWER: Difference between Search Engine and Web Browser: SEARCH ENGINE WEB BROWSERsearch engine is used to find the information in the World Wide Web and displays the results at one place. Web Browser uses the search engine to retrieve and view the information from web pages present on the web servers.

Q.6 LABEL THE FOLLOWING DIAGRAM

ANSWERS:

(i-)(ii-)(iii-)(iv-)(v-)(vi-)(vii-)(viii-)(ix-)(x-)

Q.7 LABEL THE FOLLOWING DIAGRAM

ANSWERS:

(i-)(ii-)(iii-)(iv-)(v-)(vi-)(vii-)(viii-)(ix-)(x-)

Q.8 MATCH COLUMN A WITH COLUMN 8 AND WRITE THE NUMBCRS OF MATCHING PAIRS IN COLUMN C.

ANSWERS:

(i-k)(ii-l)(iii-a)(iv-f)(v-e)(vi-c)(vii-g)(viii-j)(ix-b)(x-h)

=======ALHAMDOLILAH=======

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