NOTES/Solved Exercises COMPUTER WHIZ Book 5 (revised Edition) OXFORD BY SAMEENA M. Haidermota

NOTES/Solved Exercises COMPUTER WHIZ Book 5 (Revised Edition) OXFORD BY SAMEENA M H

Content

Chapter 1  Generations of Computers

Chapter 2  Peripheral Devices

Chapter 3  More about Programming Languages

Chapter 4 Introducing GW-BASIC

Chapter 5  More about Word Processing

Chapter 6  Introduction to Desktop Publishing

Chapter 7  The Internet

CHAPTER 1  GENERATIONS OF COMPUTERS

ARE THE FOLLOWING STATEMENTS ARE TRUE OR FALSE. (page 3)

ANSWERS: 1-F 2-T 3-F 4-F

STATE THREE DIFFERENCES BETWEEN THE MAINFRAME AND THE MINICOMPUTER. (page 4)

Mainframes are very powerful computers with large storage capacities, but they are bulky and more expensive than minicomputers. Hundreds of people can use a mainframe at the same time but a minicomputer serves fewer users at a time. Banks and large organizations use mainframes. Minicomputers are used in mediumsized companies.

UNCRAMBLE WORDS TO FIND OUT MORE ABOUT COMPUTER CHIPS. (page 5)

1. silicon

2. transistors

3. microchip

HOW IS THE PRESENT-DAY COMPUTER DIFFERENT FROM FIRST-GENERATION COMPUTERS? (PAGE 7)

ANSWER:

EXPLORE WITH WHIZ (PAGE 9)

LABEL THE COMPUTERS AND DEVICES. MATCH THE COMPUTERS TO THE DEVICES THEY USED.

Left column:

 mainframe, minicomputer, microcomputer, laptop computer, smartphone

Right column:

 vacuum tubes, transistors, integrated circuit, microprocessor

Answers to Additional Activity 1. a, 2. c, 3. b, 4. d, 5. d

ADDITIONAL ACTIVITY SELECT THE CORRECT ANSWER FOR EACH QUESTION.

(1) Which of these is the earliest computing device?

(a) vacuum tube (b) transistor (c) IC chip (d) microprocessor

(2) Which of these devices was used in third-generation computers?

(a) transistor (b) vacuum tube (c) IC chip (d) modem

(3) Which is the most important chip in a computer?

(a) microchip (b) CPU (c) circuit board (d) silicon chip

(4) Which generation of computers does the microcomputer belong to? (a) first generation (b) second generation (c) third generation (d) fourth generation

(5) Which of these is a feature of fifth-generation computers?

(a) fast processing (b) accuracy (c) memory (d) voice recognition

CHAPTER 2  PERIPHERAL DEVICES

 WHAT input or output devices WOULD YOU NEED IF YOU WANTED TO DO THE FOLLOWING. (page 13)

FIND A PICTURE OF A MOUSE THAT HAS BEEN DEVELOPED RECENTLY. HOW MANY BUTTONS DOES IT HAVE? WHAT CAN IT DO? (page 15)

HOW DO YOU THINK BAR CODES WOULD FACILITATE THE HANDLING OF LUGGAGE AT AN AIR PORT? (page 17)

Which picture has lower resolution? (page 20)

The picture on the right has lower resolution.

Explore with Whiz (pages 21) CHOOSE the correct answer. 1. pixels 2. manual data entry 3. barcode 4. Optical character recognition 5. numeric 6. high 7. input 8. Plotters

Chapter 3 12  Programming Languages

WHAT WOULD YOU DO IF YOUR TORCH DID NOT WORK? ILLUSTRATE WITH THE USE OF A FLOWCHART.     

WHAT IS THE DIFFERENCE BETWEEN NUMERIC DATA AND STRING DATA? (P25)

Numeric data consists of numbers and is used for calculations. String data consists of letters, numbers, and special characters and is used to enter data such as names and addresses. (P27)

Chapter 4 COMPUTER NETWORKS

IDENTIFY WHERE LAN IS LINKING COMPUTERS (P31)

EXPLAIN HOW WHIZ USES WAN TO FIND OUT THE SCORE OF A FOOTBALL MATCH IN ENGLAND?(32)

NAME A BROWSER THAT YOU USE. HOW DOES IT HELP YOU? (P33)

LET US TRY SENDING EMAIL (P34)

EXPLORE WITH WHIZ (36)

Chapter 5 19 More ON MULTIMEDIA

WHICH OF THE FOLLOWING TEMPLATES WOULD YOU USE FOR A PRESENTATION ON (P38)

1- THE SEA? 2- AN ART EXHIBITION 3- A NEW SOFT DRINK

WHAT SOUND WOULD YOU CHOOSE IF YOU WERE CREATING A MULTIMEDIA PRESENTATION ON THE FOLLOWING? GIVE REASONS FOR YOUR CHOICE. (P39)

FIND PICTURES OF A SEED BEING PLANTED, A SEED BEGINNING TO SPROUT , A YOUNG PLANT AND THEN THE PLANT WITH A FLOWER TO SHOW THROUGH SLIDE SHOW HOW PLANTS GROW.

PASTE THEM IN THE SQUARES PROVIDED (P40)

EXPLORE WITH WHIZ (P42)

Chapter 6 INTRODUCING SPREADSHEETS

CALCULATE HOW MUCH THEY SPENT EACH MONTH (P44)

WRITE THE CELL ADDRESSES OF ATHE FOLLOWING

Chapter 7 WHIZ IS EVERY WHERE

HOW MANY COMPUTERS CAN YOU FIND HERE? WHAT ARE THEY BEING USED FOR ? (P52)

CREATE A LIST OF THE CHILDREN IN YOUR CLASS WITH THEIR NAMES, PHONE NUMBERSS AND EMAIL ADDRESSES SO THAT YOU CAN USE IT AS DATABASE. (P53)

DESIGN A LIBRARY CARD WITH THE REQUIRED DATA AND A BAR CODE. (P54)

WRITE A PARAGRAPH ON HOW COMPUTERS HAVE BECOME ESSENTIAL IN WORKPLACES? (P55)

IDENTIFY HOW THE COMPUTER IS BEING USED IN THBE PICTURE. (P56)

DO YOU RECALL SEEING COMPUTERS AT THE AIRPORT/RAILWAY STATION? WHAT WERE THEY BEING USED FOR? (P57)

FIND A PIC OF A ROBOT BEING USED IN A FACTORY AND PASTE IT HERE. THEN DESCRIBE IN A PARAGRAPH HOW THE ROBOT IS BEING USED IN THAT PIC. (P58)

DESIGN A COVER FOR A BOOK ON WHALES (P59)

EXPLORE WITH WHIZ (P60)

=============ALHAMDOLILLAH============

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