In which of the following page replacement policies Balady’s anomaly occurs?
(A) FIFO (B) LRU
(C) LFU (D) NRU
Ans: (A)
Which of the following are language processors?
(A) Assembler (B) Compiler
(C) Interpreter (D) All of the above
Ans: (D)
Virtual memory can be implemented with
(A) Segmentation (B) Paging
(C) None (D) all of the above
Ans: (D)
A grammar for a programming language is a formal description of
(A) Syntax (B) Semantics
(C) Structure (D) Code
Ans: (C)
is a technique of temporarily removing inactive programs from the memory of computer system
(A) Swapping (B) Spooling
(C) Semaphore (D) Scheduler
Ans: (A)
is a technique of improving the priority of process waiting in Queue for CPU allocation
(A) Starvation (B) Ageing
(C) Revocation (D) Relocation
Ans: (B)
is the time required by a sector to reach below read/write head.
(A) Seek Time (B) Latency Time
(C) Access time (D) None
Ans: (B)
Which of the following is most general phase structured grammar?
(A) Context – Sensitive (B) Regular
(C) Context – Free (D) None of the above
Ans: (A)
File record length
(A) Should always be fixed
(B) Should always be variable
(C) Depends upon the size of file
(D) Should be chosen to match the data characteristics.
Ans: (D)
A public key encryption system
(A) Allows only the correct receiver to decode the data
(B) Allows only one to decode the transmission.
(C) Allows only the correct sender to decode the data.
(D) Does not encode the data before transmitting it.
Ans: (A)
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