GATE CSE format:mcq PYQs & Answers — Page 4

Questions 31–40 of 534. Imported answers require independent review unless marked reviewed.

Which one of the following dependencies among the register operands of different instructions can cause a data hazard in a pipelined processor?

Your answerChoose one option.

Read-after-read

Read-after-write

Write-after-read

Write-after-write

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Which one of the following options is not a property of Boolean Algebra?

Note: + is OR operation, . is AND operation, and ′ is NOT operation

Your answerChoose one option.

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Consider the following recurrence relations:

For all

Assume that for all

and

Which one of the following options is correct?

Your answerChoose one option.

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In C runtime environment, which one of the following is stored in heap?

Your answerChoose one option.

A static variable declared inside a function

An array of integers declared inside a function

A dynamically allocated array of integers created using malloc() function call

Return address of a function

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With respect to a TCP connection between a client and a server, which one of the following statements is true?

Your answerChoose one option.

The client and server use a two-way handshake mechanism before the start of data transmission

The server cannot initiate closing of the connection before the client initiates closing of the connection

The TCP connection is half-duplex

The client and server can initiate closing of the connection at the same time

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Consider the following two statements about interrupt handling mechanisms in a CPU.

S1: In non-vectored interrupt mechanism, it usually takes more time to start the Interrupt Service Routine (ISR) when compared to that in a vectored interrupt mechanism.

S2: In daisy-chain interrupt mechanism, the CPU polls all the input devices individually to determine the source of the interrupt.

Which one of the following options is correct with respect to S1 and S2?

Your answerChoose one option.

Both S1 and S2 are true

Both S1 and S2 are false

S1 is true and S2 is false

S1 is false and S2 is true

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Consider the following three ANSI-C programs, P1, P2, and P3.

P1:

#include <stdio.h>

int a=5;

int main(){

int a=7;

return(0);

}

P2:

#include <stdio.h>

int main(){

int a=5;

int a=7;

return(0);

}

P3:

#include <stdio.h>

int main(){

int a=5;

float a=7;

return(0);

}

Which one of the following statements is true?

Your answerChoose one option.

Only P1 will compile without any error

Only P2 will compile without any error

Only P3 will compile without any error

All three programs P1, P2, and P3 will compile without any error

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Consider concurrent execution of two transactions

and

in a DBMS, both of which access a data object

. For these two transactions to not conflict on

, which one of the following statements must be true?

Your answerChoose one option.

Both

and

only read

reads

and

writes

and

reads

Both

and

write

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Consider a file of size 4 million bytes being transferred between two hosts connected via a path consisting of three consecutive links of bandwidth 2 Mbps, 500 kbps, and 1 Mbps, respectively. All processing delays and propagation delays are negligible. Assume that there is no other background traffic over the path and no other overhead to transfer the file. Which one of the following is the total time (in seconds) to transfer the file? Note: 1M=

, 1k=

Your answerChoose one option.

731

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Which one of the following protocols may need to broadcast some of its messages?

Your answerChoose one option.

SMTP

FTP

DHCP

HTTP

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GATE CSE format:mcq PYQs

Question 16

Question 16

Question 17

Question 17

Question 18

Question 18

Question 19

Question 20

Question 21

Question 22