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икт тест-1

Total questions: 52

Worksheet time: 18mins

Name
Class
Date
1.

The brain of any computer system is:

a)

the SPU

b)

 Cylinder

c)

R/W

d)

Control Unit

2.

 

What difference does the 5th generation computer have from other generation computers

a)

Technological advancemet

b)

Technological advancement

c)

Control unit

d)

Binary base is small

3.

The tracks on a disk which can be accessed without repositioning the R/W heads is?

a)

Assembler

b)

CPU cycle

c)

Cylinder

d)

Computer program

4.

Which of the following is the 1's complement of 10?

a)

10

b)

01

c)

00

d)

11

5.

Which part interprets program instructions and initiate control operations?

a)

The Control

b)

CPU

c)

CPU cycle

d)

Control unit

6.

The binary system uses powers of?

a)

5

b)

4

c)

2

d)

3

7.

A computer program that converts assembly language to machine language is?

a)

CPU

b)

Assembler

c)

Abacus

d)

Asembler

8.

The time required for the fetching and execution of one simple machine instruction is

a)

Control Unit

b)

CPU

c)

CPU cycle

d)

 Cylinder

9.

Binary numbers need more places for counting because

a)

Binary base is big

b)

Binary base is small

c)

Binary base is medium

d)

Binary base is volume

10.

Which computer has been designed to be as compact as possible?

a)

PC

b)

Micro computer

c)

Nano computer

d)

Laptop

11.

Which of the following is still useful for adding numbers?

a)

Assembler

b)

Abacus

c)

Control unit

d)

Cylinder

12.

A general purpose single-user microcomputer designed to be operated by one person at a time is

a)

Micro computer

b)

Nano computer

c)

 PC

d)

Laptop

13.

ASCII stands for

a)

American standard code for copying interchange

b)

American standard code for information interchange

c)

American standard code for interchange

d)

American standard code for saving information

14.

Which device of computer operation dispenses with the use of the keyboard?

a)

Mouse

b)

Рrocessor

c)

Сolumn

d)

Modem

15.

Which output device is used for translating information from a computer into pictorial form on paper?

a)

Scanner

b)

Plotter

c)

Printer

d)

Monitor

16.

The list of coded instructions is called

a)

Blaise Pascal

b)

Computer program

c)

Software

d)

Storage

17.

The first mechanical calculating machine was made by

a)

William Oughtred

b)

Gottfried Leibnitz

c)

Blaise Pascal

d)

Charles Babbage

18.

Multiplication of 111(2) by 101(2) is

a)

110011

b)

100011

c)

111100

d)

101100

19.

Conversion of an octal number 20 to its binary number is

a)

10111

b)

10000

c)

10011

d)

11001

20.

Which of the following can be output by a computer?

a)

Voice

b)

All of these

c)

Graphics

d)

text

21.

Who is called the "grand father" of the computer?

a)

Nicklaus Wirth

b)

Charles Babbage

c)

Blaise Pascal

d)

William Oughtred

22.

Which company is the biggest player in the microprocessor industry?

a)

IBM

b)

Motorola

c)

Intel

d)

AMD

23.

The OR, XOR & AND functions can be performed by _____ of the computer in a CPU.

a)

Control unit

b)

ALU

c)

Register

d)

Peripherial

24.

The computer industry uses prefixes of Greek origin to measure large amounts of data. Which term describes 1024 bytes

a)

Megabyte

b)

Kilobyte

c)

Gegabyte

d)

Nibble

25.

Which of the following memories must be refreshed many times per second?

a)

Dynamic ROM

b)

Dynamic RAM

c)

Dynamic SRAM

d)

Dynamic DRAM

26.

The third generation of computers covers the period:

a)

1960-1970

b)

1965-1970

c)

1965-1975

d)

1960-1965

27.

Third generation computers?

a)

CDC 6600

b)

None of these

c)

DEC

d)

IBM 360

28.

What is the number of bit patterns provided by a 7-bit code?

a)

127

b)

129

c)

128

d)

126

29.

First generation computers are characterized by

a)

Tubes and magnetic drum

b)

Vacuum tubes and magnetic drum

c)

Vacuum tubes and drum

d)

with vacuum cans and magnetic drum

30.

Which of the following input/output devices is not associated with personal computers?

a)

mice

b)

punched cards

c)

dot-matrix printers

d)

color monitors

31.

A central computer surrounded by one or more satellite computers is called a

a)

network

b)

star network

c)

punched cards

d)

None of these

32.

A notation used to express clearly on algorithm is known as

a)

Algorithmic language

b)

Assembly language

c)

Machine language

d)

High level language

33.

Which printer uses a combination of laser-beam & electro photographic techniques

a)

Dot-Matrix

b)

Daisy wheel

c)

Line printer

d)

Laser printers

34.

The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as

a)

I/O unit

b)

CPU

c)

Peripheral unit

d)

Control Unit

35.

Who is the creator of the PASCAL language?

a)

Donald Knuth

b)

Dijkstra

c)

Niklaus Wirth

d)

Basic Pascal

36.

Continuous line drawing is produced using

a)

Chain printers

b)

Daisy wheel printers

c)

Plotters

d)

Thermal devices

37.

The arranging of data in a logical sequence is called:

a)

sorting

b)

classifying

c)

reproducing

d)

summarizing

38.

Conversion of an octal number 256 to binary number is

a)

11101110

b)

10101110

c)

10110110

d)

10110010

39.

The transistorized computer circuits were introduced in the

a)

First generation

b)

Second generation

c)

Third generation

d)

Fourth generation

40.

A memory bus is mainly used for communication between

a)

processor and memory

b)

processor and I/O devices

c)

I/O devices and memory

d)

input device and output device

41.

A hard disk is divided into tracks which are further subdivided into:

a)

clusters

b)

vectors

c)

sectors

d)

heads

42.

What is the highest binary number that can be referred to on a three position jumper block?

a)

4

b)

2

c)

1

d)

3

43.

A memory that does not change its contents without external causes is known as

a)

Dynamic memory

b)

Static memory

c)

RAM

d)

EEPROM

44.

The organization and interconnection of the various components of a computer system is

a)

Networks

b)

Graphics

c)

Designing

d)

Architecture

45.

A modern electronic computer is a machine that is meant for

a)

Doing quick mathematical calculations

b)

Electronic data processing

c)

Input storage, manipulation of outputting of data

d)

Performing repetitive tasks accurately

46.

A billionth of a second is defined as a:

a)

millisecond

b)

nanosecond

c)

microsecond

d)

picoseconds

47.

Which of the following is not currently a topic in computer science?

a)

Thermodynamics

b)

Speech recognition

c)

Artificial intelligence

d)

Multiprocessing

48.

The two kinds of main Memory are:

a)

Primary and secondary

b)

Random and sequential

c)

ROM and RAM

d)

All of the above

49.

The ALU of a computer normally contains a number of high speed storage elements called

a)

semiconductor memory

b)

registers

c)

hard disk

d)

magnetic disk

50.

Conversion of binary number 1010101000010111 to hexadecimal number is

a)

D8F916

b)

A8B916

c)

AA1716

d)

D9F816

51.

Who is credited with the idea of using punch cards to control patterns in a weaving machine?

a)

Pascal

b)

Hollerith

c)

Babbage

d)

Jacquard

52.

Storage on PC allows you to store files until something erases it, but memory loses its contents whenever its _____ is lost-

a)

static

b)

disk space

c)

power

d)

None of the above