Sunday, September 28, 2008

BSNL TTA EXAM TECHNICAL QUESTIONS for CSE and IT

Q. A program at the time of execution is called

(a) Procedure

(b) Dynamic programming

(c) Dynamic binding

(d) Process

Ans:- (d)

****Q. Which is responsible for Running to ready state of a program?

(a) Time slice expires.

(b) I/O operation.

(c) Process termination.

(d) Process creates a child process

Ans: - (a)

NOTE: - Time slice expires and occurrence of Interrupt is responsible for transition of a process from Running state to Ready state.

Q. SJF (shortest job first) policy can be:-

(a) Preemptive

(b) Non-preemptive

(c) Both above

(d) None

Ans: - (c)

***Q. The queue which keeps all those process those are waiting for some Input/Output process?

(a) Suspended Queue

(b) Device Queue

(c) Ready Queue

(d) Job Queue

Ans: - (b)

Q. The Scheduling policy which allows the process to move among the queue?

(a) Multilevel Queue scheduling (MLQs).

(b) Multilevel Feedback Queue scheduling (MLFQs).

(c) Round-Robin Scheduling

(d) FCFS policy

Ans: (b)

Q. The SJF algorithm executes the job

(a) First which comes last?

(b) First which comes first

(c) First which is waiting for long time.

(d) First which needs least time to execute.

Ans:- (d)

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