In priority scheduling algorithm, when a process arrives at the ready queue. Its priority is compared with the priority of:
- (A) All process
- (B) Currently running process
- (C) Parent process
- (D) Init process
- (B) Currently running process
Time quantum is defined in:
- (A) Shortest job scheduling algorithm
- (B) Round robin scheduling algorithm
- (C) Priority scheduling algorithm
- (D)Multilevel queue scheduling algorithm
- (B) Round robin scheduling algorithm
In multilevel feedback scheduling algorithm:
- (A) A process can move to a different classified ready queue
- (B) Classification of ready queue is permanent
- (C) Processes are not classified into groups
- (D) None of the mentioned
- (A) A process can move to a different classified ready queue
Which one of the following cannot be scheduled by the kernel?
- (A) Kernel level thread
- (B) User level thread
- (C) Process
- (D) None of these
- (B) User level thread
A memory page containing a heavily used variable that was initialized very early and is in constant use is removed and then the page replacement algorithm used is:
- (A) LRU
- (B) LFU
- (C) FIFO
- (D) None of these
- (C) FIFO
A FIFO replacement algorithm associates with each page the________.
- (A) Time It was brought into memory
- (B) Size of the page in memory
- (C) Page after and before it
- (D) All of these
- (A) Time It was brought into memory
Optimal page replacement algorithm is:
- (A) Replace the page that has not been used for a long lime
- (B) Replace the page that has been used for a long time
- (C) Replace the page that will not be used. for a long time
- (D) None of these
- (C) Replace the page that will not be used. for a long time
The signal sent to the device from the processor to the device after receiving an interrupt is:
- (A) Interrupt-acknowledge
- (B) Return signal
- (C) Service signal
- (D) Permission signal
- (A) Interrupt-acknowledge
Changes in data storage and organization can cause:
- (a) Bugs
- (b) Debugs
- (c) Maintenance
- (d) Implementation
- (d) Implementation
Data conversion is:
- (a) Manual to automation
- (b) Computerization to manual
- (c) English language to BASIC
- (d) Design to code
- (a) Manual to automation