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CUET Previous Year Questions (PYQs)
CUET Computer Organization And Architecture (COA) PYQ
CUET PYQ
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CUET Previous Year PYQ CUET CUET 2023 PYQ
| List I | List II | ||
|---|---|---|---|
| A. | Kailash Satyarthi | I. | Chemistry |
| B. | Abhijit Banerjee | II. | Peace |
| C. | Vinkatraman Ramakrishnan | III. | Physics |
| D. | Subrahmanyan Chandrasekhar | IV. | Economics |
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CUET Previous Year PYQ CUET CUET 2023 PYQ
Solution
| List I | List II | ||
|---|---|---|---|
| A. | Kailash Satyarthi | II. | Peace |
| B. | Abhijit Banerjee | IV. | Economics |
| C. | Venkatraman Ramakrishnan | I. | Chemistry |
| D. | Subrahmanyan Chandrasekhar | III. | Physics |
CUET PYQ
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CUET Previous Year PYQ CUET CUET 2023 PYQ
Consider the expression $(a-1)*\left(\dfrac{(b+c)}{3}+d\right)$.
Let $x$ be the minimum number of registers required by an optimal code generation (without any register spill) algorithm for a load/store architecture in which
(i) Only load and store instructions can have memory operands and
(ii) Arithmetic instructions can have only register or immediate operands.
The value of $x$ is _______.
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CUET Previous Year PYQ CUET CUET 2023 PYQ
Solution
The expression requires evaluation of $(b+c)$, then division by $3$, then addition with $d$, and finally multiplication with $(a-1)$.
Minimum registers needed to hold intermediate results without spill = 3.
CUET PYQ
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CUET Previous Year PYQ CUET CUET 2023 PYQ
The amount of time required to read a block of data from a disk into memory is composed of seek time, rotational latency and transfer time. Rotational latency refers to
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CUET Previous Year PYQ CUET CUET 2023 PYQ
Solution
Rotational latency is the waiting time until the desired sector of the disk comes under the read/write head.
CUET PYQ
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CUET Previous Year PYQ CUET CUET 2023 PYQ
Given the following binary number in 32-bit (single precision) IEEE-754 format:
$0011\ 1110\ 0110\ 1101\ 0000\ 0000\ 0000\ 0000$
The decimal value closest to this floating-point number is
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CUET Previous Year PYQ CUET CUET 2023 PYQ
Solution
Sign bit = $0$ (positive)
Exponent = $01111100_2=124$
Bias $=127 \Rightarrow E=124-127=-3$
Mantissa $\approx 1.1101101_2 \approx 1.82$
Value $\approx 1.82\times2^{-3}\approx0.227$
CUET PYQ
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CUET Previous Year PYQ CUET CUET 2023 PYQ
If $f:\mathbb{R}\to\mathbb{R}$ is defined as
$f(x)=x^2+1$, then the minimum value of $f(x)$ is
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CUET Previous Year PYQ CUET CUET 2023 PYQ
Solution
Since $x^2\ge0$ for all real $x$, $f(x)=x^2+1\ge1$ Minimum occurs at $x=0$.
CUET PYQ
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CUET Previous Year PYQ CUET CUET 2023 PYQ
A 32-bit wide main memory with a capacity of $1$ GB is built using $256\text{M}\times4$ bits DRAM chips.
The number of rows per chip is $2^{14}$.
The time taken to perform one refresh operation is $50$ nanoseconds.
The refresh period is $2$ milliseconds.
The percentage (rounded to the nearest integer) of time available for performing memory read/write operations in the main memory unit is ______.
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CUET Previous Year PYQ CUET CUET 2023 PYQ
Solution
Rows to be refreshed $=2^{14}=16384$
Time for one refresh $=50$ ns
Total refresh time:
$16384\times50\text{ ns}=819200\text{ ns}=0.8192\text{ ms}$
Refresh period $=2$ ms
Percentage of time used for refresh:
$\displaystyle \frac{0.8192}{2}\times100\approx41%$
Percentage available for read/write:
$100-41=59%$
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