Producer consumer problem can be  solved using ......................

a.Semaphores       

b,Variables

c,Event counters

ans: a

Non-modifiable procedures are called.....................

a.Topdown procedures

b.Reentrant procedures

c.Concurrent procedures

ans: b

In order to allow only one process to enter its critical section binary 

semaphore is initialized to..............

a.2 

b.0

c.1

  

ans:  b

Indicate which is a pre-emptive scheduling algorithm

a.round robin

b.shortest job first

c.priority based 

ans:b

Which of the following is a type ofsystems software used on micro-

 computers?..............

a.MS-DOS

b.PC-DOS

c.UNIX

 

ans:  b

What is the name of operating system

for the laptop computer called Mac life?...............

a.DOS

b,Windows

c.OZ

  

ans: c

what is the name of operating system for  the laptop computer called mac life?...................

a.DOS

b.Windows

C.OZ

ans: c

What is the operating system used by macinotosh computer?................

a.AU/X

b.System 7.0

c.UNIX

ans: c

When did IBM release the first version of disk operating system DOS version 1.0?.................

a.1981

b.1982

c.1967

ans: a

Special software to create a job queue is called .............

a.Linkage editor

b.Drive

c.Interpreter

ans: b

A process another name for  ...................

a.Task

b.Paying

c.Job

ans: c

The register or main memory location which contain the effective address of the operand is known as...........

a.Pointer

b.Index register

c.Scratch pad

ans: b

Round robin scheduling is essentially the premptive version of.......................

a.FCFS

b.Congest time first

c.FILO

ans: b

Which of the following is necessary to work on a computer......................

a.Compiler

b.Assembler

c.Operating system

ans: c

The error that can be pointed out by the compiler are .........................

a.Syntax error

b.Semantic error

c.Logical error

ans: a

A translator is describe as........................

a.Microprogram

b.System software

c.Application software

 ans: c