System Programming MCQs with Answers
Practice important System Programming MCQs with answers and explanations.
Chapter: 141
Q3061:
Shared variables accessed by different threads must be guarded for ________.
A. faster access
B. mutual exclusion
C. data reordering
D. variable duplication
Correct Answer:
B
Chapter: 141
Q3062:
All variables inside the critical section are guarded by ________.
A. program counter
B. a single synchronization object
C. unique identifiers
D. thread pool
Correct Answer:
B
Chapter: 141
Q3063:
In concurrent programming, shared variables must not be accessed without ________.
A. delay
B. memory check
C. synchronization
D. exception handling
Correct Answer:
C
Chapter: 142
Q3064:
The Producer-Consumer problem is a classical problem in ________.
A. memory allocation
B. mutual exclusion
C. disk management
D. file handling
Correct Answer:
B
Chapter: 142
Q3065:
In the producer-consumer model, the message is stored in a ________.
A. log file
B. buffer
C. table
D. queue
Correct Answer:
C
Chapter: 142
Q3066:
The consumer thread displays the message on ________.
A. user request
B. random intervals
C. message creation
D. thread termination
Correct Answer:
A
Chapter: 142
Q3067:
If the consumer accesses the table during update, the table becomes ________.
A. valid
B. duplicated
C. invalid
D. static
Correct Answer:
C
Chapter: 142
Q3068:
The producer also calculates a ________ of the message.
A. hashcode
B. checksum
C. timestamp
D. copy
Correct Answer:
B
Chapter: 142
Q3069:
The checksum ensures the message contents are ________.
A. random
B. encrypted
C. correct
D. logged
Correct Answer:
C
Chapter: 142
Q3070:
The invariant condition ensures that the checksum is ________ with current message.
A. consistent
B. ignored
C. logged
D. mismatched
Correct Answer:
A
Chapter: 142
Q3071:
Some produced messages may never be used and may be ________.
A. saved
B. logged
C. lost
D. repeated
Correct Answer:
C
Chapter: 142
Q3072:
Displayed data must always be the ________ message.
A. first
B. oldest
C. most recent
D. unused
Correct Answer:
C
Chapter: 142
Q3073:
The producer and consumer threads share access to a common ________.
A. object
B. log
C. table
D. device
Correct Answer:
C
Chapter: 142
Q3074:
The role of critical section (CS) is to prevent ________ access.
A. sequential
B. parallel
C. unordered
D. concurrent
Correct Answer:
D
Chapter: 142
Q3075:
If checksum mismatches, it indicates ________ message contents.
A. invalid
B. updated
C. correct
D. encrypted
Correct Answer:
A
Chapter: 142
Q3076:
The Producer-Consumer solution described is a ________ version.
A. complete
B. random
C. complex
D. simplistic
Correct Answer:
D
Chapter: 142
Q3077:
Displaying old data in the consumer thread is considered ________.
A. secure
B. invalid
C. efficient
D. acceptable
Correct Answer:
B
Chapter: 142
Q3078:
The CS ensures that producer and consumer access is ________.
A. parallel
B. synchronized
C. conflicting
D. random
Correct Answer:
B
Chapter: 142
Q3079:
In the described version, the consumer thread must not display ________ data.
A. old
B. new
C. updated
D. empty
Correct Answer:
A
Chapter: 142
Q3080:
A message may be lost if it is not ________ by the consumer.
A. requested
B. updated
C. displayed
D. checked
Correct Answer:
C