QUSTION AND ANSWERS
INFORMATION AND COMMUNICATION TECHNOLOGY –ICT
QUSTION
1. Choose the letter of the correct answer and write it below the item number in the table below.
i) A printer that print by striking small pin to a ribbon representing the character
A: Dot-matrix B: Disk jet C: Laser jet D: Drum
ii) In spreadsheet a block is selected ready for data entry is called
A: A cell reference B: A formulas bar
C: An active cell D: A merged cell
iii) Which of the memory chips is programmed during the manufacturing process?
A: RAM B: EEPROM
C: PROM D: ROM
iv) Which of the following Is not word processor?
A: Word perfect B: Word pro C: Word bar D: Word wrap
v) Cells A4, A7, C4, and C7 contains values 5.5,6,2 and 3 respectively.
In cell D a formula ,= C5*(A4-A7)-(C4/C7) is entered. The value for cell D will be
A: 16 B: 18 C: 28 D: 14
vi) An input device that is widely used in super market is
A: Keyboard B: track ball
C: Mouse D: bar code reader
vii) The small item of data is
A: mill-data B: A symbol C: A byte D: character
viii) One of the following is a permanent storage device
A: Floppy disk B: Scanner
C: Compact disk D: hard disk
ix) Operating system which do not provide graphic user interface (GUI) is called
A: Window xp B: Dos C: Macintosh D: Window 98
x) A computer that holds databases and programs for many terminals is known as
A: Client B: Domain
C: Server D: Node
GROOVE TECHNOLOGIES LTD
INTRODUCTION TO COMPUTERS
Week One: Test
Attempt all the questions.
1. Give three advantages of using a computer?
2. Give two disadvantages of computers?
3. Your have come in the morning and you need to use your computer .State the step/procedures?
4. Define the following words:
a) Computer
b) Hardware
c) Software
5. Give at least three examples of input and output devices.
6. What do you understand by the term “Storage Device”?
7. Give three examples of storage devices.
8. Define the word”System Unit”.
9. Differentiate between Stem software and Application Software?
10. List three types of system software and Application Software.
11. Name three main types of computers.
12. Formatting an external disk is important .What is formatting?
2. Match the item in Group B with the statement in Group A by writing the letter of correct statement below the item number
GROUP A | GROUP B |
I. Optical storage device II. Is a program language which a computer can understand directly III. Pre-written program that is sold to perform a common task IV. Large network that work all over the world V. The over management of computer is under the control of VI. An Example of no volatile memory VII. CPU stand for VIII. A computer that can perform very large number of instruction per second IX. It has the large capacity compared to another secondary storage devices X. A set of organization collection of logically data. | A. Operating system B. Mainframe C. System software D. Internet E. Read-only memory F. Central processing unit G. Hard disk H. Binary digit I. Magnetic tape J. Application software K. Information L. Personal computer M. Arithmetic technical machine N. CD ROM and DVD ROM O. Flash |
ANSWERS
I | II | III | IV | V | VI | VII | VII | IX | X |
N | H | J | D | A | E | F | B | I,G | K |
PART2
3. a) Write down the other name for application software.
b) Give two (2) example of hardware that are used to store data externally.
4. a) Define term bit.
The over management of computer
ii)Identify any two (2) example of application software.
5. Name the component of computer system executes the program
b) Distinguish between primary memory and secondary memory
Secondary memory is the external storage device while primary memory it is built in memory
Primary storage is temporary while secondary storage is permanent
6. a) Define the term software.
Computer software (often is a set of instructions and associated documentation that tells a computer what to do how to perform a task)
b) Name the main types of software
The main types of software
System software and application software
c)List down any two (2) examples of Anti-viruses you know.
AVG,Rising etc
7. a) What are the limitations of internal memory?
i) Limited capacity ii) Volatile in nature
b) Write down the importance of external memory.
To overcome the limitation of internal memory
8. Identify any three (3) characteristics of computer.
- Speed, Accuracy,
- Diligence, versatility
- Storage capacity
- Power of Remembering:
9. What do you understand by the term mainframe computer?
Mainframe computer is an extremely fast computer that can perform hundreds millions of instructions per second.
10. a) Mention one (1) example of non-volatile memory.
Read-Only Memory
b) List down two (2) types of RAM
Static and Dynamic
11. a) Define the term information.
A set of organized collection of logically related data
b) Define the term internet.
Large networks that works all over the world.
12. What do you understand by the following terms?
i) Dial-up connection
Dial-up connection is any connection that is connection that is connected through a regular phone line.
When that phone line is connected to a modern and then configured to dial a specific number, a user can access the Internet.
ii) Direct connection
A direct connection is a situation in which one computer is directly linked to another computer by a cable instead of a network. This might be using a crossover…
13.PRACTICAL
A | B | C | D | E | F | G | |
S/N | REG.NO | NAME OF STUDENT | KISW | PHY | COMP | TOTAL | GRADE |
3 | 309 | MIZA A | 46 | 78 | 90 | | |
4 | 310 | MSURI J | 65 | 72 | 81 | ||
5 | 311 | MNYASA K | 50 | 99 | 98 | ||
6 | 312 | MDUNGI G | 60 | 74 | 86 | ||
7 | 313 | MCHA A | 79 | 60 | 70 | ||
8 | 314 | MKWERE S | 40 | 67 | 99 | ||
9 | 315 | MNYAJI D | 45 | 56 | 60 | ||
10 | 316 | MOHD T | 60 | 78 | 85 | ||
11 | 317 | MKUBWA M | 68 | 64 | 67 |
From the table above ,
a) Write a formula to find the average mark for the entire class
i)=average(C3:E3)
b) i) Write a formula to find the average mark for the entire class
ii) Write a formula to find the sum of marks for each student.
ii)= Sum (C3:E3)
iii)Write a formula to find the maximum mark on kiswahili subject.
iii)=Min (E3:E11)
c)write brief explanation on Ms Excel.
Consider the following
-Meaning of Ms excel
-Applications of excel
14: a) Distinguish between e-learning and e- commerce (any three differences)
b) i) Give three (3) advantages of e-commerce
-You can purchase numerous items from the comfort of your own home
-No travelling cost
ii)Give two (2) disadvantages of e-commerce.
*People can steal your personal information if hacked
c)Mention any three (3) types of e-commerce activities
*Business-to-Business (B2B)
*Business-to-Consumer (B2C)
*Consumer-to-Consumer (C2C)
*Consumer-to-Business (C2B)
*Business-to-Administration (B2A)
*Consumer-to-Administration (C2A)
15. a) Computer can do many tasks but at times they cause problems. Identify three (3) possible reasons for a computer not being able to save data in to a disk.
*Disk is corrupted
*Disk is full
*Disk is not in the disk drive
*Disk is not formatted
b)Write brief explanation on
i) CPU
ii)8.1GB hard drive
iii)RAM
iv)ROM
v)Mouse
Device | type | Applications |
CPU | ||
8.1GB hard drive | External storage device | Used to store data |
RAM | Internal memory | Used to store data and information |
ROM | Internal memory | |
Mouse | Input device | Used to move cursor/ pointer on the screen |