Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Chapter: 32
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
Correct Answer:
A
Chapter: 32
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
Correct Answer:
A
Chapter: 32
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
Correct Answer:
A
Chapter: 32
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
Correct Answer:
A
Chapter: 32
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
Correct Answer:
A
Chapter: 32
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
Correct Answer:
A
Chapter: 33
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
Correct Answer:
A
Chapter: 33
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
Correct Answer:
A
Chapter: 33
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
Correct Answer:
A
Chapter: 33
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
Correct Answer:
A
Chapter: 33
Q531:
How does the stored-program concept improve computer flexibility?
A. By allowing programs to be changed by modifying memory contents
B. By increasing CPU processing speed
C. By using multiple control units
D. By reducing memory requirements
Correct Answer:
A
Chapter: 33
Q532:
What was a common misconception about programs and data in early computing?
A. Programs and data were considered different entities
B. Programs could not be stored in memory
C. Data was part of the CPU
D. Programs were stored on external devices
Correct Answer:
A
Chapter: 33
Q533:
How did early computers handle program changes before the stored-program concept?
A. By rewiring the CPU
B. By changing external storage devices
C. By updating the pegboard arrangement
D. By using software updates
Correct Answer:
A
Chapter: 33
Q534:
What does the stored-program concept allow for in modern computers?
A. Flexibility in changing programs without hardware modifications
B. Fixed programs that cannot be changed
C. Permanent storage of programs on external devices
D. Direct execution of physical wiring instructions
Correct Answer:
A
Chapter: 33
Q535:
What was a notable characteristic of early computers regarding program storage?
A. Programs were part of the CPU and not stored in memory
B. Programs were stored in memory for flexibility
C. Programs were automatically updated
D. Programs were stored on magnetic tapes
Correct Answer:
A
Chapter: 33
Q536:
What was a common method used in early computers for connecting components?
A. Pegboard arrangement
B. Direct memory access
C. Integrated circuits
D. Solid-state drives
Correct Answer:
A
Chapter: 33
Q537:
Why is the stored-program concept considered a significant advancement in computer science?
A. It enabled the separation of programs and data
B. It made rewiring the CPU unnecessary
C. It allowed for the use of multiple CPUs
D. It reduced the need for external storage
Correct Answer:
A
Chapter: 33
Q538:
How did the realization of the stored-program concept impact computer development?
A. It opened doors to new theories and applications
B. It limited the flexibility of programs
C. It increased the complexity of CPU design
D. It decreased the importance of memory storage
Correct Answer:
A
Chapter: 33
Q539:
What does the term "not seeing the forest for the trees" refer to in the context of early computing?
A. Focusing too narrowly on details without seeing the broader concept
B. Understanding the broad concept without focusing on details
C. Overlooking minor details in favor of the bigger picture
D. Emphasizing theoretical knowledge over practical application
Correct Answer:
A
Chapter: 33
Q540:
What aspect of early computer design was considered outdated compared to modern practices?
A. Hard-wiring programs into the control unit
B. Storing programs in memory
C. Using flexible software updates
D. Employing multiple control units
Correct Answer:
A