EmSAT Computer Science : Computing Systems Mock Test

EmSAT Computer Science: Computing Systems Mock Test 2024 Practice Exam Question Answers. Practice for the EmSAT Computer Science exam with our Computing Systems mock test. Test your knowledge with practice questions and answers covering topics such as input/output devices, memory, CPU, software, programming languages, binary representation, logic circuits, and computer peripherals. Additionally, check EmSAT Computer Science Achieve Mock Tests.

EmSAT Computer Science: Computing Systems

Are you preparing for the EmSAT Computer Science exam? Our Computing Systems mock test is here to help you test your knowledge and prepare for the exam. Our practice questions cover a variety of topics, including:

Input/output devices
Memory (types, cost, size, capacity, access time, permanent vs. temporary storage)
Central processing unit (CPU) and the machine instruction cycle
Types of software and their roles
High- and low-level programming languages
Program translators (compilers, interpreters, assemblers)
Binary representation of data
Logic circuits and their representations
Computer peripherals (sound cards, motherboards, etc.)

Practice Questions and Answers

Our mock test includes multiple-choice questions with clear and concise answers to help you understand the concepts and prepare for the exam. Practice with our mock test and gain confidence in your knowledge of Computing Systems.

Don’t wait until the last minute to prepare for the EmSAT Computer Science exam. Start practicing today with our Computing Systems mock test and take your first step towards success.

Practice Tests

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EmSAT Computer Science Mock Test
Section 1: Computing Systems
Total Questions: 50
Time Limit: 60 Minutes

1 / 50

1) Which of the following numbering systems is commonly used in computer science?

A) Roman numerals

B) Denary (decimal) numbering system

C) Binary numbering system

D) Metric numbering system

2 / 50

2) What is the purpose of a Boolean expression in computer science?

A) To represent data using zeros and ones

B) To represent logic operations and their outputs

C) To convert high-level programming languages into machine code

D) To manage computer resources

3 / 50

3) Which of the following is NOT an example of a programming language?

A) HTML

B) Python

C) Ruby

D) C ++

4 / 50

4) What is the purpose of a translator in computer programming?

A) To convert high-level programming languages into machine code

B) To manage computer resources

C) To execute computer programs

D) To input data into the computer

5 / 50

5) Which of the following is an example of application software?

A) Windows

B) Android

C) MS Office

D) Linux

6 / 50

6) What is the purpose of RAM in a computer system?

A) To store data permanently

B) To store data temporarily while the computer is running

C) To manage computer resources

D) To process data in the computer

7 / 50

7) Which of the following is an example of an output device for a computer system?

A) Keyboard

B) Mouse

C) Printer

D) Microphone

8 / 50

8) Which of the following is a disadvantage of using a binary number system in computer science?

A) It is difficult to read and understand

B) It takes up too much storage space

C) It cannot represent certain types of data, such as images and sound

D) It is slow and inefficient

9 / 50

9) Which of the following is NOT an example of a high-level programming language?

A) C++

B) Java

C) Python

D) Binary code

10 / 50

10) What is the purpose of a network in computer science?

A) To store data in a computer system

B) To input data into the computer

C) To output data from the computer

D) To enable communication and sharing of resources between computers

11 / 50

11) What is the role of an operating system in a computer system?

A) To provide a user interface for the computer user

B) To manage computer resources and provide services to application programs

C) To convert high-level programming languages into binary code

D) To execute computer programs

12 / 50

12) Which of the following is an example of an interpreted programming language?

A) C++

B) Java

C) Python

D) Assembly language

13 / 50

13) What is the purpose of a Venn diagram in computer science?

A) To represent data in binary code

B) To represent logic operations and their outputs

C) To represent sets and their relationships

D) To represent data flow in a computer system

14 / 50

14) Which of the following statements is true about truth tables?

A) They are used to represent data in binary code.

B) They are used to represent logic operations and their outputs.

C) They are used to represent images in a computer system.

D) They are used to represent audio data in a computer system.

15 / 50

15) Which of the following is NOT a logic gate used in digital circuits?

A) AND gate

B) OR gate

C) NOT gate

D) BOTH gate

16 / 50

16) What is the difference between the denary and hexadecimal numbering systems?

A) Hexadecimal uses 16 digits, while denary uses 10 digits

B) Denary uses 16 digits, while hexadecimal uses 10 digits

C) Hexadecimal uses 8 digits, while denary uses 10 digits

D) Denary uses 8 digits, while hexadecimal uses 16 digits

17 / 50

17) What is the purpose of a compiler in computer programming?

A) To convert high-level programming languages into binary code

B) To execute programs

C) To debug programs

D) To convert machine level programming languages into binary code

18 / 50

18) How is an image represented using binary code?

A) Through pixels

B) Through ASCII code

C) Through binary digits

D) Through Unicode

19 / 50

19) Which of the following is NOT a way to represent data using binary code?

A) ASCII code

B) Unicode

C) Gray code

D) Octal code

20 / 50

20) What is the purpose of high-level programming languages?

A) To provide a service to the computer user

B) To manage computer resources

C) To communicate with computer hardware

D) To provide a more human-readable way of programming

21 / 50

21) Which of the following is an example of system software?

A) MS Word

B) Photoshop

C) Windows

D) Google Chrome

22 / 50

22) What is the function of memory in a computer system?

A) To store and retrieve data

B) To process data

C) To input data into the computer

D) To output data from the computer

23 / 50

23) What is the purpose of an output device in a computer system?

A) To input data into the computer

B) To process data in the computer

C) To store data in the computer

D) To display or present processed data to the user

24 / 50

24) Which of the following is an example of an input device?

A) Printer

B) Scanner

C) Monitor

D) Speakers

25 / 50

25) Which type of diagram is used to represent logic circuits?

A) Flowchart

B) Venn diagram

C) Truth table

D) Circuit diagram

26 / 50

26) What is the purpose of truth tables in computer science?

A) To represent different types of data

B) To design computer hardware

C) To simplify Boolean expressions

D) To translate high-level programming languages into binary code

27 / 50

27) How can the hexadecimal numbering system be converted into binary?

A) By dividing by 2

B) By multiplying by 2

C) By converting each digit into its binary equivalent

D) By adding 2 to each digit

28 / 50

28) Which numbering system is commonly used in programming languages?

A) Hexadecimal numbering system

B) Denary numbering system

C) Binary numbering system

D) Octal numbering system

29 / 50

29) What is the binary numbering system used for in computer science?

A) To represent different types of data such as numbers, images, sound, and text

B) To manage computer resources

C) To control the hardware of the computer

D) To provide a service to the computer user

30 / 50

30) What is the role of translators in computer programming?

A) To convert binary code into high-level programming languages

B) To translate high-level programming languages into binary code

C) To manage computer resources

D) To provide a service to the computer user

31 / 50

31) Which of the following is NOT a component of a computer system?

A) Input devices

B) Processing units

C) Networking devices

D) Memory

32 / 50

32) Which component of a computer system is responsible for processing information?

A) Input devices

B) Output devices

C) Memory

D) Central processing unit (CPU)

33 / 50

33) What is the role of system software?

A) To provide a service to the computer user

B) To manage different types of computer resources

C) To control the hardware of the computer

D) To translate high-level programming languages into binary code

34 / 50

34) How is data represented using a computer's hardware?

A) Through binary code

B) Through high-level programming languages

C) Through output devices

D) Through memory units

35 / 50

35) Which type of memory is used for long-term storage of data and programs?

A) RAM

B) ROM

C) Hard disk drive

D) Solid-state drive

36 / 50

36) Which type of program translator translates code from one programming language into another?

A) Compiler

B) Interpreter

C) Transpiler

D) Text editor

37 / 50

37) Which type of program translator finds and fixes errors in source code?

A) Compiler

B) Interpreter

C) Debugger

D) Text editor

38 / 50

38) Which type of program translator converts each line of code into machine code and executes it immediately?

A) Compiler

B) Interpreter

C) Debugger

D) Text editor

39 / 50

39) Which type of program translator converts source code into machine code?

A) Compiler

B) Interpreter

C) Debugger

D) Text editor

40 / 50

40) What is the purpose of a cache memory?

A) To store frequently used data for quick access

B) To store data permanently

C) To display images on the screen

D) To display big size files on the screen

41 / 50

41) Which of the following is an example of a low-level programming language?

A) Java

B) C++

C) Assembly language

D) C

42 / 50

42) What is the purpose of data encryption?

A) To reduce the size of data

B) To store data in permanent memory

C) To represent data using binary code

D) To protect data from unauthorized access

43 / 50

43) Which of the following is a measure to counteract security risks?

A) Data compression

B) Firewall

C) Virtual memory

D) Cache

44 / 50

44) Which of the following is an example of a logic circuit?

A) CPU

B) Sound card

C) Motherboard

D) AND gate

45 / 50

45) What is data compression?

A) A method of representing data in binary form

B) A method of encrypting data

C) A method of reducing the size of data

D) A method of storing data in permanent memory

46 / 50

46) Which of the following is a security risk that can threaten data privacy?

A) Data corruption

B) Malware

C) Data breaches

D) Hard disk failure

47 / 50

47) What is the hexadecimal equivalent of the decimal number 17?

A) 10

B) 11

C) 12

D) 13

48 / 50

48) Which of the following programming languages is considered a high-level language?

A) Assembly language

B) C++

C) Java

D) C

49 / 50

49) What is the function of a sound card in a computing system?

A) To display images on the monitor

B) To provide sound output

C) To proces the sounds

D) To connect the sounds to the speaker

50 / 50

50) Which of the following is an example of permanent memory?

A) RAM

B) Cache

C) ROM

D) Virtual memory

Your score is

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