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MCQs

Total Questions : 63 | Page 1 of 7 pages
Question 1.

A critical section is a program segment


  1.    which should run in a certain specified amount of time.
  2.    which avoids deadlocks.
  3.    where shared resources are accessed.
  4.    which must be enclosed by a pair of semaphore operations, P and V.
 Discuss Question
Answer: Option C. -> where shared resources are accessed.



Question 2.

A program in execution is called


  1.    Process
  2.    Instruction
  3.    Procedure
  4.    Function
 Discuss Question
Answer: Option A. -> Process


Question 3.
An assembly language is a
  1.    low level programming language
  2.    Middle level programming language
  3.    High level programming language
  4.    Internet based programming language
 Discuss Question
Answer: Option A. -> low level programming language


Question 4.

A parser which is a variant of top-down parsing without backtracking is


  1.    Recursive Descend.
  2.    Operator Precedence
  3.    LL(1) parser.
  4.    LALR Parser
 Discuss Question
Answer: Option A. -> Recursive Descend.


Question 5.

Translator for low level programming language were termed as


  1.    Assembler
  2.    Compiler
  3.    Linker
  4.    Loader
 Discuss Question
Answer: Option A. -> Assembler


Question 6.

The main reason to encrypt a file is to ______________.


  1.    Reduce its size
  2.    Secure it for transmission
  3.    Prepare it for backup
  4.    Include it in the start-up sequence
 Discuss Question
Answer: Option B. -> Secure it for transmission



Question 7.

Program generation activity aims at


  1.    Automatic generation of program
  2.    Organize execution of a program written in PL
  3.    Skips generation of program
  4.    Speedens generation of program
 Discuss Question
Answer: Option A. -> Automatic generation of program


Question 8.

The “turn-around” time of a user job is the


  1.    time since its submission to the time its results become available.
  2.    time duration for which the CPU is allotted to the job.
  3.    total time taken to execute the job.
  4.    time taken for the job to move from assembly phase to completion phase.
 Discuss Question
Answer: Option C. -> total time taken to execute the job.



Question 9.
The principles of structured programming forbid the use of



  1.    WHILE-DO
  2.    GOTO
  3.    IF-THEN-ELSE
  4.    DO-WHILE
 Discuss Question
Answer: Option B. -> GOTO


Question 10.

A scheduler which selects processes from secondary storage device is called


  1.    Short term scheduler.
  2.    Long term scheduler.
  3.    Medium term scheduler
  4.    Process scheduler.
 Discuss Question
Answer: Option C. -> Medium term scheduler



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