CUET PG MCA 2026 Previous Year Questions (PYQs) – Page 4 of 7
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Semaphore operation in sequence for producer processes in bounded buffer problem using semaphore empty, full, mutex
(A) Signal (Full) → indicating that the new item has been produced and added to the buffer
(B) Wait (Empty) → check if there is space in the buffer to add new item
(C) Produce an item and store it in buffer
(D) Wait (Mutex) → enter the critical section to insert the item safely
(E) Signal (Mutex) → leaves the critical section after inserting the item
(a) A, E, C, B, D
(b) C, B, A, D, E
(c) D, E, A, C, B
(d) B, D, C, E, A
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Solution
Which of the following have same image?
(A) J
(B) K
(C) A
(D) H
(a) C, D
(b) A, D
(c) A, C
(d) B, D
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Solution
Tree used to represent arithmetic expression is called ______ tree.
(a) Threaded
(b) Game
(c) Red - Black
(d) Expression
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Solution
| Column A | Column B |
|---|---|
| A. AND | I. Output 1 only if both inputs are 1 |
| B. OR | II. Output 1 if any input is 1 |
| C. NAND | III. Output 0 only if both inputs are 1 |
| D. NOR | IV. Output 1 only if both inputs are 0 |
Options
(a) (A)-IV, (B)-III, (C)-II, (D)-I
(b) (A)-I, (B)-III, (C)-IV, (D)-II
(c) (A)-I, (B)-II, (C)-III, (D)-IV
(d) (A)-II, (B)-I, (C)-IV, (D)-III
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Solution
Fundamental function of register in digital circuit is to
(a) perform arithmetic operation
(b) store binary information
(c) compare two numbers
(d) encode input signal
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Solution
Arrange the following in increasing time complexity.
(A) Linear search worst case
(B) Binary search best case
(C) Quick sort expected running time
(D) Bubble sort worst case
(a) B, A, C, D
(b) C, B, A, D
(c) D, E, A, C
(d) B, D, C, E
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Solution
In ______ linked list the last node’s link field points to the first node of list.
(a) Circular
(b) Linear
(c) Sequential
(d) Indexed
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Solution
| Column A | Column B |
|---|---|
| A. Counter register | I. Read by host to get input |
| B. Status register | II. Written by host to sent output |
| C. Data in register | III. Contain bit that can be read by host |
| D. Data out register | IV. Can be written by host to start command |
(a) (A)-I, (B)-II, (C)-III, (D)-IV
(b) (A)-IV, (B)-III, (C)-I, (D)-II
(c) (A)-III, (B)-IV, (C)-II, (D)-I
(d) (A)-I, (B)-II, (C)-IV, (D)-III
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Solution
Let $f$ be function
$f(x)=
\begin{cases}
\frac{\tan x}{x}, & x \ne 0 \\
1, & x=0
\end{cases}$
Assertion: $x=0$ is point of minima of $f$
Reason: $f'(0)=0$
(a) Assertion is true, Reason is true, and Reason is the correct explanation of the Assertion.
(b) Assertion is true, Reason is true, but Reason is not the correct explanation of the Assertion.
(c) Assertion is true, but Reason is false.
(d) Assertion is false, but Reason is true.
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Solution
In ______ search we begin search at starting node and when we come across dead end then we backtrack.
(a) connected
(b) bubble
(c) breadth first
(d) depth first
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Solution
CUET PG MCA
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