Previous 10 Questions — AMU MCA 2025
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The result of the UNION operation between $R_1$ and $R_2$ is a relation that includes:
Topic: AMU MCA 2025
The relational model uses some unfamiliar terminology. A tuple is equivalent to a:
Topic: AMU MCA 2025
A digital computer is based on the principle of:
Topic: AMU MCA 2025
What is the value of $K$ in the following equation?
$(100000101100)_2 + (3654)8 = (K){16}$
Topic: AMU MCA 2025
In a Dequeue:
Topic: AMU MCA 2025
The time complexity of binary search algorithm is:
Topic: AMU MCA 2025
Which of the following sorting method is stable?
Topic: AMU MCA 2025
What is the value of the postfix expression
$6\ 9\ 3\ 2\ +\ -\ *\ ?$
Topic: AMU MCA 2025
The maximum number of leaves in a binary tree of height $n$ are:
Topic: AMU MCA 2025
Initial value of the semaphore is to allow only one of the many processes to enter their critical section is:
Topic: AMU MCA 2025
Next 10 Questions — AMU MCA 2025
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The hexadecimal equivalent of $(10100111)_2$ is:
Topic: AMU MCA 2025
What does ‘BREAK’ keyword do in C programming language?
Topic: AMU MCA 2025
Consider the array definitionint num[10] = {3, 3, 3};Pick the correct answer:
Topic: AMU MCA 2025
The time required for a pulse to change from 10 to 90 percent of its maximum value is called:
Topic: AMU MCA 2025
What is output for the program given below?#include <stdio.h>void main(){ int i = 500, j = 1000, k;&…
Topic: AMU MCA 2025
What is output for the program given below?#include <stdio.h>void main(){ int i = 7; fo…
Topic: AMU MCA 2025
The time interval from the time of submission of a process to the time of completion is:
Topic: AMU MCA 2025
What is the meaning of ‘Underflow’ in the context of data structure?
Topic: AMU MCA 2025
A phone number in a database is an example of:
Topic: AMU MCA 2025
In tuple relational calculus, $P_1 \rightarrow P_2$ is equivalent to:
Topic: AMU MCA 2025
