Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Multiple Choice Questions
Q521: What is the main function of the register unit in a CPU?
- A: To temporarily store information
- B: To perform arithmetic operations
- C: To control the machine’s activities
- D: To connect the CPU to main memory
View Answer
A
Q522: How does the CPU execute an addition operation on data stored in memory?
- A: By transferring data to registers, performing the addition, and storing the result
- B: By performing the addition directly in main memory
- C: By using the control unit to perform calculations
- D: By writing data to the bus for processing
View Answer
A
Q523: What does the control unit do after data is transferred to the general-purpose registers?
- A: Informs the arithmetic/logic unit which registers hold the data
- B: Stores the data in main memory
- C: Performs the addition operation directly
- D: Activates the bus to transfer data to external storage
View Answer
A
Q524: What is the purpose of the five steps listed in the process of adding values stored in memory?
- A: To summarize the process of addition involving memory and registers
- B: To outline the steps for transferring data between external devices
- C: To describe the stages of initializing the CPU
- D: To detail the process of loading software into memory
View Answer
A
Q525: How does the CPU read data from a memory cell?
- A: By supplying the address and an electronic signal to retrieve the data
- B: By performing a calculation on the memory cell
- C: By writing data to the memory cell
- D: By using the control unit to access external storage
View Answer
A
Q526: What happens when the CPU writes data to memory?
- A: The CPU provides the address of the destination cell and the data to be stored
- B: The CPU calculates the data and sends it to the control unit
- C: The CPU performs an arithmetic operation on the data
- D: The CPU transfers the data directly to external devices
View Answer
A
Q527: What was a limitation of early computers regarding program execution?
- A: Programs were built into the control unit
- B: Programs could be stored in memory
- C: Programs were flexible and could be changed easily
- D: Programs were automatically executed
View Answer
A
Q528: How did early electronic computers achieve flexibility?
- A: By rewiring the CPU
- B: By using advanced software
- C: By storing programs in memory
- D: By using multiple CPUs
View Answer
A
Q529: What is the concept of storing a program in memory called?
- A: Stored-program concept
- B: Hard-wired programming
- C: Flexible control unit
- D: Dynamic execution
View Answer
A
Q530: What was a major breakthrough in computer design credited to John von Neumann?
- A: Storing programs in main memory
- B: Rewiring the CPU for flexibility
- C: Using pegboard arrangements
- D: Increasing CPU speed
View Answer
A