Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Multiple Choice Questions
Q661: What limits the speed at which instructions can be fetched and executed in a CPU?
- A: The speed of light
- B: The size of the instruction
- C: The amount of memory
- D: The CPU's clock speed
View Answer
A
Q662: What happens when the execution of one instruction is completed in a pipelined CPU?
- A: The next instruction in the pipe is executed
- B: The CPU halts until the next instruction is available
- C: The memory is refreshed
- D: The entire process is restarted
View Answer
A
Q663: What was a major limitation of computers in the 1940s and 1950s?
- A: They were very flexible and efficient
- B: They occupied entire rooms and required significant setup
- C: They used advanced interactive processing
- D: They had high-speed data transfer capabilities
View Answer
B
Q664: What did early operating systems primarily aim to simplify?
- A: Program setup and transition between jobs
- B: Data storage and retrieval
- C: User interaction and feedback
- D: High-speed processing
View Answer
A
Q665: What was the purpose of the job control language (JCL) in early batch-processing systems?
- A: To encode and store instructions with jobs in the job queue
- B: To manage user interactions with the operating system
- C: To increase the speed of job execution
- D: To handle network connectivity issues
View Answer
A
Q666: In a FIFO queue, how are jobs ordered for execution?
- A: Based on job priorities
- B: In a random order
- C: According to the order of arrival
- D: Based on the job size
View Answer
C
Q667: What is one major drawback of using a computer operator as an intermediary between a computer and its users?
- A: Users have no interaction with their jobs once submitted
- B: The system executes jobs too quickly
- C: The operator cannot manage job queues effectively
- D: Users have to manually reset the system
View Answer
A
Q668: What feature allows a program to interact with users during its execution?
- A: Batch processing
- B: Interactive processing
- C: Job control language
- D: FIFO queue management
View Answer
B
Q669: How did early interactive systems differ from batch-processing systems?
- A: They allowed dialogue between the program and the user
- B: They required a computer operator for every task
- C: They used physical cards and tapes for input
- D: They executed jobs without user input
View Answer
A
Q670: What was the role of the computer operator in early batch-processing systems?
- A: To operate the machine and handle job execution
- B: To develop new software applications
- C: To manage network connectivity
- D: To handle user interactions in real-time
View Answer
A