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XI Software Concepts & Number System conversion

Total questions: 69

Worksheet time: 43mins

Name
Class
Date
1.

The 2 types of Software are:

a)

Operating System

b)

System

c)

Business

d)

Application

2.

Operating system for mobile devices

a)

Netware

b)

Unix

c)

Android

d)

Windows NT

3.

Types of operating systems:

a)

Doors

b)

Robotics

c)

Windows

d)

Business

4.

What type of software is it?

a)

Operating system

b)

Application software

5.

Microphone

a)

Hardware

b)

Software

c)

Peopleware

6.

Mouse

a)

Input Device

b)

Processing Device

c)

Output Device

d)

Storage Device

7.

ICT stands for _______________.

a)

Information and Communication Terminology

b)

Information to Communication Technology

c)

Information and Common Technology

d)

Information and Communication Technology

8.

BIOS stands for _________.

a)

Basic Input/Output System

b)

Base Input/Output System

c)

Basic Input and Output Systematic

d)

None of the above

9.

These sets of instructions are called _______

a)

Data

b)

Software

c)

Programs

10.

System Softwares are _____________

a)

Operating system

b)

Utility Software

c)

Application Software

d)

Language processor

11.

An ____________ is needed to operate a computer. It controls the overall activities of a computer.

a)

Operating system

b)

Monitor

c)

Keyboard

d)

Printer

12.

____________ operating system allows only one user to use computer system at any given time.

a)

Multi user

b)

Single user

c)

Multi Tasking

13.

Identify the Operating system.

a)

Linux

b)

Unix

c)

Mac OS

d)

Windows

e)

MS Office

14.

A _________________ operating system allows multiple users on different computers to access a system at the same time.

a)

Single - User

b)

Multi-User

c)

Multitasking

15.

The act of examining the computer system, drives, or files for possible virus or malware attack is known as _____________

a)

Backup

b)

Scanning

c)

Disk Management

16.

It is a process that shrinks files so that less disk space is occupied.

a)

Compression

b)

Compiler

c)

Interpreter

17.

It is used to create video, animation, sound, graphics, and text with a high degree of interaction.

a)

MS Word

b)

MS Access

c)

CorelDRAW

d)

Windows Media Player

18.

Which type of computer is used for weather forecasting?

a)

Super Computers

b)

PDA

c)

Mainframe Computers

d)

Wearable Computers

19.

Name the above device:

a)

Mouse

b)

CPU

c)

Keyboard

d)

Scanner

20.

Translates low level assembly language mnemonic into machine code

a)

Assembler

b)

Compiler

c)

Interpreter

21.

Program is translated line by line as the program is running

a)

Assembler

b)

Compiler

c)

Interpreter

22.

Example of utility software is

a)

Compiler

b)

Windows

c)

Antivirus

d)

Android

23.

Types of System Software:

a)

Language Processors

b)

Utility Software

c)

Operating System

d)

All of these

24.

Translates source code from high level languages into object code and then into machine code

a)

Assembler

b)

Compiler

c)

Interpreter

25.

Name an example of high level language

a)

Hindi language

b)

Java

c)

c++

d)

Both B and C

e)

None of the above

26.

What is Binary Language?

a)

A language made of 1's and 0's

b)

High level and low level language

c)

Assembly Language

d)

None of them

27.

A program written in high level language is called ______

a)

Object

b)

Assembler

c)

Source program

28.

________________ is the process of writing specific instructions in a computer language.

a)

Linking

b)

Programming

c)

Processing

29.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
30.
Convert 65 to binary
a)
01100001
b)
00100001
c)
01000001
d)
00100101
31.
Convert 00010001 to decimal
a)
17
b)
27
c)
37
d)
47
32.
Convert 37 to binary
a)
00100101
b)
00100011
c)
00100111
d)
01000101
33.
Convert 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
34.
Convert 11001100 to decimal
a)
224
b)
134
c)
104
d)
204
35.

THE BASE OF BINARY NUMBER SYSTEM IS ________

a)

3

b)

4

c)

2

d)

6

36.

THE BASE OF _____________ SYSTEM IS 10

a)

DECIMAL

b)

BINARY

c)

HEXA DECIMAL

d)

OCTAL

37.

OCTAL NUMBER SYSTEM CONSISTS OF ______ DIGITS

a)

9

b)

8

c)

6

d)

10

38.

________________ NUMBER SYSTEM IS UNDERSTOOD BY THE COMPUTER SYSTEM.

a)

BINARY

b)

HEXA DECIMAL

c)

DECIMAL

d)

OCTAL

39.

_________________ USES 16 SYMBOLS TO REPRESENT NUMBERS.

a)

HEXA DECIMAL

b)

OCTAL

c)

BINARY

d)

DECIMAL

40.

TO CONVERT DECIMAL TO OCTAL NUMBER WE HAVE TO

a)

SUBTRACT BY 8

b)

MULTIPLY BY 8^0

c)

DIVIDE BY 8

41.

LETTER 'C' IN HEXA REPRESENTS

a)

12

b)

13

c)

11

42.

The most commonly used numbering system in real life is ___ number system.

a)

Decimal

b)

Binary

c)

Hexadecimal

d)

Octal

43.

To convert Decimal to binary , this method can be used.

a)

Repeated multiplication by 2

b)

Repeated division by 2

c)

Sum of Powers of 2

d)

either b or c

44.

Binary equivalent of 210 is

a)

1002

b)

012

c)

102

d)

0012

45.

Binary equivalent of 810 is

a)

10002

b)

10102

c)

10112

d)

1002

46.

Convert the 8-bit binary number 1001 1011 to a 2-bit hexadecimal number.

a)

9B

b)

9C

c)

8F

d)

9D

47.
The smallest unit of data that use is:
a)
a bit
b)
a byte
c)
a gigabyte
d)
a megabyte
48.

How many bits make a byte?

a)

2

b)

4

c)

8

d)

16

49.

What kind of 'base' system is binary known as?

a)

Base 12

b)

Base 8

c)

Base 2

d)

Base 10

50.

The left most bit in Binary number system is called as

a)

Most Significant Bit (MSB)

b)

Least Significant Bit (LSB)

51.

What is the binary equivalent of decimal 15?

a)

1010

b)

1101

c)

1110

d)

1111

52.

Convert Hexadecimal number 5A to its decimal number.

a)

510

b)

90

c)

9

d)

501

53.

Convert the decimal number 106 to a 2-bit hexadecimal number.

a)

6A

b)

6B

c)

5F

d)

69

54.

Convert the 8-bit binary number 1101 1001 to a decimal number.

a)

217

b)

216

c)

209

d)

201

55.

Convert the 8-bit binary number 1001 1011 to a 2-bit hexadecimal number.

a)

9B

b)

9C

c)

8F

d)

9D

56.

What does ASCII stand for?

a)

Australian Standard Code for Information Interchange

b)

Aberdonian Standard Code for Information Interchange

c)

American Standard Code for Information Interchange

d)

African Standard Code for Information Interchange

57.

What is ASCII used for?

a)

Storing text

b)

Storing sounds

c)

Storing images

d)

Storing video

58.

How many bits does ASCII use for each character?

a)

5

b)

6

c)

7

d)

8

59.

A collection of 4 bits is called (a)  

60.

How many bits are used in ASCII

a)

16

b)

1

c)

7

d)

8

61.

HOw many Bytes are used in Unicode

a)

8

b)

16

c)

1

d)

2

62.

The ASCII code is represented by using 16 bits

a)

TRUE

b)

FALSE

63.

The ASCII code is capable of representing non-European languages

a)

TRUE

b)

FALSE

64.

Upper and lower case letters have a different ASCII code

a)

TRUE

b)

FALSE

65.

What is the maximum number of positive integer values that can be represented in 8-bits

a)

16

b)

256

c)

65,536

d)

128

66.

What is the maximum number of positive integer values that can be represented in 7-bits

a)

16

b)

256

c)

65,536

d)

128

67.

A character set is...

a)

What language can be used in a computer system

b)

The fonts that a computer has installed

c)

The possible characters that can be represented by a computer system

68.

ASCII can represent more characters than Unicode

a)

TRUE

b)

FALSE

69.

ASCII stands for...

a)

American Standard Code for Information Interchange

b)

American Scientific Code for Information Interchanging

c)

Absolute Standard Codes for Instruction Interchange