BEC306C Quiz on Module 1

Question 1

What is assembly language primarily used for?

Accepted Answer

Low-level hardware control and system programming

Question 2

What is the binary representation of the number 12 in 8-bit format?

Accepted Answer

00001100

Question 3

What happens when a subroutine is called in assembly language?

Accepted Answer

The current program counter is saved and execution jumps to the subroutine

Question 4

What is the key feature of indexed addressing mode?

Accepted Answer

The operand is added to an index register value to calculate the EA

Question 5

Which of the following represents the smallest memory unit?

Accepted Answer

Bit

Question 6

What is the primary function of machine instructions?

Accepted Answer

Direct the hardware to perform specific tasks

Question 7

Which logical operation returns a TRUE result only when both operands are TRUE?

Accepted Answer

AND

Question 8

Which of the following is NOT a functional unit of a computer?

Accepted Answer

Data Transfer Unit

Question 9

What does the basic performance equation for a computer system include?

Accepted Answer

Execution Time, Instruction Count, Clock cycle

Question 10

What is the purpose of a "port" in I/O operations?

Accepted Answer

It defines an address to communicate with external devices

Question 11

Which addressing mode refers to the actual memory address directly in the instruction?

Accepted Answer

Direct Addressing

Question 12

What is the role of an assembler in the context of assembly language?

Accepted Answer

To translate assembly language into machine code

Question 13

How is the performance of a processor measured in terms of clock cycles?

Accepted Answer

Instructions executed per clock cycle

Question 14

In instruction sequencing, what happens after the "fetch" stage in a typical instruction cycle?

Accepted Answer

Decode

Question 15

Which addressing mode uses a register to store the memory address of the operand?

Accepted Answer

Register Indirect Addressing

Question 16

What is a memory address in computing?

Accepted Answer

A unique identifier for a memory cell

Question 17

Which assembly language instruction is typically used to add data to a stack?

Accepted Answer

PUSH

Question 18

Which structure allows communication between various components of a computer?

Accepted Answer

Bus Structure

Question 19

What are the main types of computers based on size and performance?

Accepted Answer

Supercomputers, Mainframes, Personal Computers, Embedded Systems

Question 20

What does the processor clock speed represent?

Accepted Answer

The frequency at which a processor executes instructions

Question 21

What is a "return" instruction in a subroutine used for?

Accepted Answer

To return control back to the calling program

Question 22

Which of the following is NOT an example of system software?

Accepted Answer

Word Processor

Question 23

What is the primary difference between a stack and a queue?

Accepted Answer

Stack is LIFO (Last In, First Out), and Queue is FIFO (First In, First Out)

Question 24

Which of the following is an example of a machine instruction?

Accepted Answer

Add two numbers

Question 25

In a computer, what is the role of the control unit?

Accepted Answer

To decode and execute instructions

Question 26

What is the main function of an operating system?

Accepted Answer

To manage hardware resources and control software execution

Question 27

What type of bus is used to connect the processor and the memory?

Accepted Answer

Memory Bus

Question 28

What is the primary purpose of a subroutine in assembly language?

Accepted Answer

To perform a repeated task or function

Question 29

What kind of operation is used to transfer data from memory to a CPU register?

Accepted Answer

Fetch

Question 30

In computing, how many bits are used to represent a single character in the ASCII system?

Accepted Answer

7 bits

Question 31

Which standard is used for representing floating-point numbers?

Accepted Answer

IEEE 754

Question 32

In which addressing mode is the operand part of the instruction itself?

Accepted Answer

Immediate Addressing

BEC306C Quiz on Module 1

Questions 32

BEC306C Quiz on Module 1

Questions 32