Unit 1: Computer Systems + Ch 2

1

Which OS uses command line interface?

A Windows B Linux C DOS D macOS

2

Which number system uses digits from 0 to 7?

A Binary B Decimal C Octal D Hexadecimal

3

How many bits does the standard ASCII code use to represent a single character?

A 7 bits B 16 bits C 4 bits D 32 bits

4

MS Word is an example of?

A System software B Utility software C Application software D Operating system

5

Which type of software is responsible for the overall control and management of computer operations?

A Microsoft Word B Antivirus C Photoshop D System Software

6

Which component manages computer hardware?

A Application software B Utility software C Operating system D Compiler

7

What is machine level data representation?

A Data stored in files B Data represented using binary form C Data shown on screen D Data printed on paper

8

Which concept improves program readability?

A Errors B Modular design C Counting D Randomization

9

Algorithms are independent of:

A Problem B Programming language C Logic D Steps

10

Which coding system is an extension of ASCII and can represent characters from almost all languages in the world?

A BCD B EBCDIC C Unicode D Morse Code

11

Which type of software is Windows?

A Application software B Utility software C System software D Firmware

12

An algorithm must produce:

A Infinite results B No output C At least one output D Only input

13

What is a finite set of clear, step-by-step instructions to solve a particular problem called?

A An Algorithm B A Flowchart C A Program D A Dry Run

14

How many bits make one byte?

A 4 B 6 C 8 D 16

15

Which of the following is a standard searching algorithm that works efficiently on a sorted list?

A Bubble Sort B Selection Sort C Binary Search D Linear Search

16

What is the name of the process where you manually test an algorithm with sample data to check its logic?

A Abstraction B Modular Design C Generalization D Dry Run

17

Which number system is a shorthand of binary?

A Decimal B Octal C Hexadecimal D Both B and C

18

Machine language is written in?

A English B Symbols C Binary D Decimal

19

Which of the following is NOT a step in algorithm design?

A Understanding problem B Designing solution C Executing hardware D Testing

20

Binary digit is also called?

A Byte B Nibble C Bit D Word

21

Algorithm dry run helps to:

A Increase speed B Find logical errors C Decorate code D Store data

22

Which number system is easiest for humans?

A Binary B Octal C Decimal D Hexadecimal

23

What is the main software that manages all the hardware and software on a computer?

A Web Browser B Antivirus C MS Office D Operating System

24

What is the process of hiding complex details and showing only the essential features of a problem?

A Modular Design B Abstraction C Dry Run D Generalization

25

Breaking down a large, complex problem into smaller, manageable parts is known as:

A Modular Design B Abstraction C Dry Run D Generalization