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BARC full Mock-18

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Question 1

Which of the following is a mechanism by which object acquires the properties of another object?

Question 2

Choose the correct option for the given C code-

void main()


int i = 0, j = 0;

for (i = 0; i < 5; i++)


for (j = 0; j < 1;)




printf("Gradeup \n");



Question 3

The characteristic equation of an SR flip-flop is given by

Question 4

The difference between half adder and full adder is __________

Question 5

A logic circuit has the following logical inputs and output:

Inputs: A, B, C

Output: Y

The output is high only when a majority of the inputs is high. Which one of the following is the correct relation between inputs and output?

Question 6

The octal number (651.124)8 is equivalent to ______

Question 7

Which of the following Converts binary information from n-input lines to a maximum of 2n unique output lines?

Question 8

_____ addressing mode is most suitable to change the normal sequence of execution of instructions.

Question 9

The example of implied addressing is:

Question 10

Which of the following is not a form of main memory?

Question 11

Which among the following can’t be used for polymorphism?

Question 12

Pipelining improves CPU performance due to the?

Question 13

What is the output of this C code?

#include <stdio.h>

int main()


j= 10;

printf("%d\n", j++);

return 0;


Question 14

Merge sort uses :

Question 15

Which of the following methods is the most effective for picking the pivot element?

Question 16

What is the complexity of Merge Sort?

Question 17

Complement of (a + b)* will be?

Question 18

Which of the following is true?

Question 19

Which of the following statement is true?

Question 20

Which one of the following is correct order for different parsers on the basis of their power of acceptance of languages?

Question 21

Which of the following are Lexemes?

Question 22

Which of the following is used in Syntax analysis?

Question 23

SDT is implemented using:

Question 24

Select * from employee where salary>10000 and dept_id=101;

Which of the following fields are displayed as output-

Question 25

“CREATE TABLE ...” command is used to create which type of table in Mysql?

Question 26

Which of the following has “all-or-none” property?

Question 27

Consider the following action:




What does Rollback do?

Question 28

What is the other name for a LAN Card?

Question 29

Three or more devices share a link in _______ connection.

Question 30

Why these 4 elements (confidentiality, integrity, authenticity & availability) are considered fundamental?
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