Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Chapter: 44
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
Correct Answer:
A
Chapter: 44
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
Correct Answer:
A
Chapter: 45
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
Correct Answer:
B
Chapter: 45
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
Correct Answer:
A
Chapter: 45
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
Correct Answer:
A
Chapter: 45
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
Correct Answer:
C
Chapter: 45
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
Correct Answer:
A
Chapter: 45
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
Correct Answer:
B
Chapter: 45
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
Correct Answer:
A
Chapter: 45
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
Correct Answer:
A
Chapter: 45
Q671:
What was one of the main improvements brought by interactive processing?
A. Users could interact with their programs in real-time
B. Jobs were processed in a batch without user interaction
C. Instructions were printed on paper for users
D. The system could only process one job at a time
Correct Answer:
A
Chapter: 45
Q672:
How has the concept of terminals evolved from early computing days?
A. Terminals have evolved into sophisticated devices like PCs
B. Terminals have remained as basic electronic typewriters
C. They have been replaced by physical paper-based systems
D. Terminals are no longer used in modern computing
Correct Answer:
A
Chapter: 46
Q673:
What is a key feature of interactive processing?
A. Printing records
B. Responding to users with sufficient speed
C. Executing tasks without deadlines
D. Time-sharing between users
Correct Answer:
B
Chapter: 46
Q674:
What is an example of real-time processing?
A. Word processing
B. Cruise missile guidance
C. Batch job execution
D. Network file sharing
Correct Answer:
B
Chapter: 46
Q675:
How was real-time processing easier to implement in the early days of computing?
A. When servicing only one user
B. When using a time-sharing system
C. When employing multitasking
D. When managing multiple users simultaneously
Correct Answer:
A
Chapter: 46
Q676:
What problem did time-sharing operating systems address?
A. Servicing multiple users simultaneously
B. Handling large file transfers
C. Performing batch processing
D. Managing real-time tasks
Correct Answer:
A
Chapter: 46
Q677:
What is the primary goal of time-sharing systems?
A. To allow multiple users to access the computer at the same time
B. To process jobs in batches
C. To ensure real-time task execution
D. To increase the computer’s speed
Correct Answer:
A
Chapter: 46
Q678:
What does multitasking allow a user to do?
A. Execute several tasks simultaneously
B. Process jobs in batches
C. Share the computer with multiple users
D. Perform tasks without deadlines
Correct Answer:
A
Chapter: 46
Q679:
How did early systems handle multiple users?
A. By implementing time-sharing
B. By using single-user systems
C. By increasing processing speed
D. By reducing the number of tasks
Correct Answer:
A
Chapter: 46
Q680:
What does multi-programming involve?
A. Executing jobs in small time intervals
B. Running multiple programs without user interaction
C. Sharing the system among several users
D. Managing real-time processes
Correct Answer:
A