Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Chapter: 35
Q561:
What does a LOAD instruction do?
A. Transfers data from a memory cell to a register
B. Transfers data from a register to a memory cell
C. Moves data between two memory cells
D. Performs arithmetic operations
Correct Answer:
A
Chapter: 35
Q562:
What is a STORE instruction used for?
A. Transferring data from a register to a memory cell
B. Moving data between two memory cells
C. Performing arithmetic operations
D. Communicating with external devices
Correct Answer:
A
Chapter: 35
Q563:
Instructions that handle input/output activities are called what?
A. I/O Instructions
B. Data Transfer Instructions
C. Arithmetic Instructions
D. Control Instructions
Correct Answer:
A
Chapter: 35
Q564:
Which instruction group tells the control unit to perform activities within the arithmetic/logic unit?
A. Arithmetic/Logic Group
B. Data Transfer Group
C. Control Group
D. I/O Group
Correct Answer:
A
Chapter: 35
Q565:
What group of instructions directs the execution of a program?
A. Control Group
B. Data Transfer Group
C. Arithmetic/Logic Group
D. I/O Group
Correct Answer:
A
Chapter: 35
Q566:
What type of operations are performed by the arithmetic/logic unit?
A. Basic arithmetic operations
B. Data transfer operations
C. Control operations
D. Input/output operations
Correct Answer:
A
Chapter: 35
Q567:
In which step does a LOAD instruction occur according to the described figure?
A. Step 1 and Step 2
B. Step 3
C. Step 4
D. Step 5
Correct Answer:
A
Chapter: 35
Q568:
In which step does a STORE instruction occur according to the described figure?
A. Step 4
B. Step 1 and Step 2
C. Step 3
D. Step 5
Correct Answer:
A
Chapter: 35
Q569:
What type of instructions are used for communicating with external devices like printers and keyboards?
A. I/O Instructions
B. Data Transfer Instructions
C. Arithmetic Instructions
D. Control Instructions
Correct Answer:
A
Chapter: 35
Q570:
What are the instructions that request an activity within the arithmetic/logic unit called?
A. Arithmetic/Logic Instructions
B. Data Transfer Instructions
C. Control Instructions
D. I/O Instructions
Correct Answer:
A
Chapter: 35
Q571:
Which category of instructions involves copying data rather than erasing it?
A. Data Transfer Group
B. Arithmetic/Logic Group
C. Control Group
D. I/O Group
Correct Answer:
A
Chapter: 35
Q572:
What is a common feature of I/O instructions?
A. They handle input/output activities
B. They perform arithmetic operations
C. They direct program execution
D. They manage data transfers
Correct Answer:
A
Chapter: 35
Q573:
What does the term "clone" refer to in the context of data manipulation instructions?
A. Copying data from one location to another
B. Erasing data from its original location
C. Performing arithmetic operations
D. Directing program execution
Correct Answer:
A
Chapter: 36
Q574:
What is fetched from main memory to the CPU during program execution?
A. Data
B. Machine Instruction
C. Register
D. Address
Correct Answer:
B
Chapter: 36
Q575:
What does the Instruction Register hold?
A. The address of the next instruction
B. The instruction being executed now
C. The result of the previous instruction
D. The data to be processed
Correct Answer:
B
Chapter: 36
Q576:
What does the Program Counter contain?
A. The address of the next instruction
B. The current instruction being executed
C. The result of the last operation
D. The data being processed
Correct Answer:
A
Chapter: 36
Q577:
What happens if the order of instructions in memory is not followed?
A. The CPU ignores the instructions
B. The instructions are executed in reverse order
C. A JUMP instruction is used
D. The CPU executes the instructions randomly
Correct Answer:
C
Chapter: 36
Q578:
Which register holds the instruction currently being executed?
A. Instruction Register
B. Program Counter
C. Data Register
D. Address Register
Correct Answer:
A
Chapter: 36
Q579:
What is the purpose of the Program Counter in the CPU?
A. To hold the address of the next instruction
B. To hold the data being processed
C. To execute the current instruction
D. To store the results of the last operation
Correct Answer:
A
Chapter: 36
Q580:
During program execution, what must happen to each machine instruction?
A. It must be fetched from memory
B. It must be stored in a register
C. It must be immediately executed
D. It must be converted to data
Correct Answer:
A