30 Assembly Language Quiz Questions and Answers

Assembly language is a low-level programming language that is closely tied to the hardware architecture of a computer. It is often considered a symbolic representation of machine code, which is the binary language understood by the computer’s central processing unit (CPU). Unlike high-level programming languages that use more human-readable code, assembly language directly represents the machine instructions of the computer’s CPU.

Assembly language programming involves writing instructions in mnemonic form, which are then translated into machine code by an assembler. Each instruction corresponds to a specific operation performed by the CPU, such as data manipulation, arithmetic operations, or control flow.

Key features and characteristics of assembly language include:

Low-Level Language: Assembly language is closer to machine code and the hardware of the computer, making it more challenging to write and read than high-level languages.

Mnemonic Instructions: Assembly language uses mnemonic symbols to represent machine instructions. For example, “MOV” may represent a move instruction that transfers data between registers or memory locations.

Registers and Memory: Assembly language often involves working with CPU registers and memory directly, as these are fundamental components of the CPU’s operation.

Platform-Specific: Assembly code is specific to the computer’s architecture and may not be portable to different systems without modification.

Efficiency and Speed: Since assembly language instructions are directly executed by the CPU, programs written in assembly can be highly efficient and fast.

In this article

• Part 1: 30 Assembly language quiz questions & answers
• Part 2: Download Assembly language questions & answers for free
• Part 3: Free online quiz creator – OnlineExamMaker

Part 1: 30 Assembly language quiz questions & answers

1. Assembly language is considered a _____ programming language.
a) High-level
b) Low-level
c) Object-oriented
d) Scripting

Answer: b) Low-level

2. Assembly language instructions are represented using _____.
a) Binary code
b) Machine code
c) Mnemonic symbols
d) Hexadecimal code

Answer: c) Mnemonic symbols

3. What is the main purpose of an assembler in Assembly language programming?
a) To execute the program
b) To convert assembly code to machine code
c) To provide a user-friendly interface
d) To allocate memory for variables

Answer: b) To convert assembly code to machine code

4. Assembly language programming deals with instructions that are executed by the _____.
a) Operating system
b) Compiler
c) Central Processing Unit (CPU)
d) Graphics Processing Unit (GPU)

Answer: c) Central Processing Unit (CPU)

5. In Assembly language, what is “MOV” used for?
a) Move data between registers or memory locations
b) Perform arithmetic operations
c) Declare variables
d) Create loops

Answer: a) Move data between registers or memory locations

6. Which part of the CPU is often manipulated directly in Assembly language?
a) RAM
b) Cache
c) ALU (Arithmetic Logic Unit)
d) GPU

Answer: c) ALU (Arithmetic Logic Unit)

7. Assembly language programs are typically written in _____.
a) Binary code
b) Hexadecimal code
c) English-like syntax
d) Machine code

Answer: c) English-like syntax

8. What is the advantage of writing programs in Assembly language?
a) High-level abstractions for complex tasks
b) Platform independence
c) Improved portability
d) Fine-grained control over hardware resources

Answer: d) Fine-grained control over hardware resources

9. The process of converting Assembly code into machine code is known as _____.
a) Interpretation
b) Compilation
c) Assembling
d) Linking

Answer: c) Assembling

10. Which of the following is NOT a typical use case for Assembly language programming?
a) Operating system development
b) Web application development
c) Embedded systems programming
d) Device drivers development

Answer: b) Web application development

11. Assembly language is specific to the _____.
a) Operating system
b) Computer’s architecture
c) Compiler used
d) High-level programming language

Answer: b) Computer’s architecture

12. What does the “CMP” instruction do in Assembly language?
a) Compare two values and set flags accordingly
b) Copy the value of one register to another
c) Concatenate two strings
d) Create a loop structure

Answer: a) Compare two values and set flags accordingly

13. Which flag is set by the “CMP” instruction if the two compared values are equal in Assembly language?
a) Zero flag (ZF)
b) Carry flag (CF)
c) Overflow flag (OF)
d) Sign flag (SF)

Answer: a) Zero flag (ZF)

14. What is the purpose of the “JMP” instruction in Assembly language?
a) Perform a jump to a specific memory address
b) Jump to a subroutine
c) Compare two values and jump if they are equal
d) Jump out of a loop

Answer: a) Perform a jump to a specific memory address

15. Which of the following is a common register in x86 Assembly language?
a) R1
b) X2
c) EAX
d) ACC

Answer: c) EAX

Part 2: Download Assembly language questions & answers for free

16. In Assembly language, what is the role of the “RET” instruction?
a) Compare two values and return a result
b) Terminate the program
c) Return from a subroutine
d) Restart the program execution

Answer: c) Return from a subroutine

17. Which of the following is a valid Assembly language instruction for conditional jumps?
a) JMPZ
b) JE
c) JUMP
d) MOVE

Answer: b) JE

18. In Assembly language, what is the purpose of the “ADD” instruction?
a) Subtract two values
b) Compare two values
c) Add two values
d) Move data between registers

Answer: c) Add two values

19. What is the primary drawback of writing programs in Assembly language?
a) Difficulty in debugging
b) Lack of portability
c) Slow execution speed
d) Limited access to hardware resources

Answer: b) Lack of portability

20. What is the purpose of the “LOOP” instruction in Assembly language?
a) Create a loop structure
b) Compare two values and loop if they are equal
c) Jump to a subroutine
d) Terminate the program

Answer: a) Create a loop structure

21. Which of the following is a common Assembly language addressing mode?
a) Immediate addressing
b) Indirect addressing
c) Direct addressing
d) All of the above

Answer: d) All of the above

22. Which part of the Assembly language program is executed first?
a) The first line of the program
b) The line with the “JMP” instruction
c) The line with the “RET” instruction
d) The line with the “CALL” instruction

Answer: a) The first line of the program

23. What does the “CALL” instruction do in Assembly language?
a) Call a subroutine
b) Terminate the program
c) Compare two values
d) Move data between registers

Answer: a) Call a subroutine

24. What is the purpose of the “HLT” instruction in Assembly language?
a) Halt the program execution
b) Compare two values and halt if they are equal
c) Move data between registers
d) Create a loop structure

Answer: a) Halt the program execution

25. What is the role of the “PUSH” instruction in Assembly language?
a) Pop a value from the stack
b) Push a value onto the stack
c) Compare two values
d) Perform an arithmetic operation

Answer: b) Push a value onto the stack

26. What is the purpose of the “POP” instruction in Assembly language?
a) Pop a value from the stack
b) Push a value onto the stack
c) Compare two values
d) Perform an arithmetic operation

Answer: a) Pop a value from the stack

27. In Assembly language, what is the purpose of the “AND” instruction?
a) Perform a bitwise AND operation
b) Compare two values
c) Add two values
d) Move data between registers
Answer: a) Perform a bitwise AND operation

28. What does the “DEC” instruction do in Assembly language?
a) Increment a value by 1
b) Decrement a value by 1
c) Compare two values
d) Move data between registers

Answer: b) Decrement a value by 1

29. Which flag is set by the “INC” instruction if the result is zero in Assembly language?
a) Zero flag (ZF)
b) Carry flag (CF)
c) Overflow flag (OF)
d) Sign flag (SF)

Answer: a) Zero flag (ZF)

30. In Assembly language, what is the purpose of the “OR” instruction?
a) Perform a bitwise OR operation
b) Compare two values
c) Add two values
d) Move data between registers

Answer: a) Perform a bitwise OR operation

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