Questions and answers for exam Preparation

MCQs

Total Questions : 63 | Page 2 of 7 pages

In a two-pass assembler, the task of the Pass II is to

separate the symbol, mnemonic opcode and operand fields.
build the symbol table.
construct intermediate code.
synthesize the target program.

Discuss Question

Answer: Option D. -> synthesize the target program.

Question 12.
What is the name given to the values that are automatically provided by
software to reduce keystrokes and improve a computer user's
productivity?

Defined values
Fixed values
Default values
Special values

Discuss Question

Answer: Option C. -> Default values

Question 13.

Which amongst the following is not an advantage of Distributed systems?

Reliability
Incremental growth
Resource sharing
None of the above

Discuss Question

Answer: Option A. -> Reliability

Question 14.

Which of the following is not a key piece of information, stored in single page table entry, assuming pure paging and virtual memory

Frame number
A bit indicating whether the page is in physical memory or on the disk
A reference for the disk block that stores the page
None of the above

Discuss Question

Answer: Option C. -> A reference for the disk block that stores the page

Question 15.
#include<stdio.h>
int main()
{
int *ptr;
*ptr=1;
printf(" %d", *ptr);
}

The entry of process from process table gets removed
The entry remains with the status S
The entry remains with the status T
The entry remains with the status R

Discuss Question

Answer: Option A. -> The entry of process from process table gets removed

Question 16.
What will be the output of the following program.
#include<stdio.h>
int main()
{
int pid;
int retvalue;
int p[2];
pipe(p);
char buff[6]="hello";
pid=fork();
if(pid == 0)
{
exit(0);
}
else
{
sleep(1);
close(p[0]);
retval = write ( p[1], buff);
printf("%d",retval);
}
}