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From where to prepare for tech part for BHEL CS branch
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#GATE2024
Is madeeasy postal pack ,GATE PYQ and GO+Gateoverflow test series sufficient for good rank in GATE ? I am solo learner please help
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UGC NET CSE | June 2023 | Part 2: 1
What is the output of following code? main () struct s1 { char * z; int i; struct s1 * p; } static struct s 1 a []}={ {"Nagpur", 1, a+1} {"Raipur', 2, a+2} {"Kanpur', 3, a} }; struct s 1* ptr =a ... %s\n", a[0].z. ptr $/rightarrow$ z, a [2]. p $/rightarrow$ z;) Nagpur Raipur Kanpur Nagpur Nagpur Nagpur Kanpur Kanpur Kanpur Error
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UGC NET CSE | June 2023 | Part 2: 2
Which of the following statement is correct? Ackermann's function is primitive recursive. $L=\left\{a^{n} b^{k} c^{n+k}: n \geq 0, k \geq 0\right\}$ is regular language. $L=\left\{a^{n} b^{J}: n=J^{2}\right\}$ ... language For every context sensitive language $L$ not including $\lambda$, there exists some linear bounded automata $M$ such that $L \neq L(M)$.
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UGC NET CSE | June 2023 | Part 2: 3
There are $M$ points on one straight line $A B$ and $n$ points on another straight line $A C$ none of them being $A$. How many triangles can be formed with these points as vertices? $m n(m+n-2)$ $\frac{1}{2} m n(m+n-2)$ $\frac{1}{2} m n(m+n-1)$ $m n(m+n-1)$
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UGC NET CSE | June 2023 | Part 2: 4
Consider the following statements. The identity is unique in any monoid. A monoid is a group if there exists inverse of each element of monoid. Semi group has closure, associative and identity properties. Quasi group has closure property. Choose the correct answer from the options given ... only $\text{A, B}$ and $\text{C}$ only $\text{A, C}$ and $\text{D}$ only
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UGC NET CSE | June 2023 | Part 2: 5
Which of the following scenario may lead to an irrecoverable error in a database system? A transaction writes a data item after it is read by an uncommitted transaction A transaction reads a data item after it is read by an uncommitted ... it is written by a committed transactions A transaction reads a data item after it is written by an uncommitted transaction.
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UGC NET CSE | June 2023 | Part 2: 6
Consider the following statements C-Fuzzy means clustering is a supervised method of learning PCA is used for dimension reduction Apriori is not a supervised technique When a machine learning model becomes so specially tuned to its exact input data that it fails to generalize to other ... $\mathrm{C}$ $\text{C}$ and $\text{D}$ $\mathrm{D}$ and $\mathrm{A}$
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149
UGC NET CSE | June 2023 | Part 2: 7
Which phase of compiler checks the grammar of programming? Code optimization Semantic analysis Code generators Syntax analysis
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150
UGC NET CSE | June 2023 | Part 2: 8
In a multiuser operating system, $20$ requests are made to use a particular resource per hour, on an average. The probability that no request is made in $45$ minutes is $\mathrm{e}^{-15}$ $\mathrm{e}^{-5}$ $1-\mathrm{e}^{-5}$ $1-\mathrm{e}^{-10}$
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UGC NET CSE | June 2023 | Part 2: 10
A processor chip is used for application in which $30 \%$ of execution time is spent on floating point addition. For the new model of the processor, the design team has come up with redesign the floating point adder to make it twice as fast. What will be possible maximum speed up by this redesign? $2.0$ $1.06$ $1.18$ $2.5$
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UGC NET CSE | June 2023 | Part 2: 11
________ is intended to show that a system both conforms to its specifications and meets the expectations of the system customer. Software specification Software design Software evaluation Software validation
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UGC NET CSE | June 2023 | Part 2: 12
Which is not a basic approach to the problem of conflict resolution in a production system? Assigning a preference based on the rule that matched Assigning a preference based the object that matched Assigning a preference based on the action that the matched rule would perform Assigning a preference based on the action that the matched object would perform
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UGC NET CSE | June 2023 | Part 2: 13
Consider universe positive integer $X=\{1 \leq n \leq 8\}$, proposition $P=$ " $n$ is an even integers", $Q="(3 \leq n \leq 7) \wedge(n \neq 6)$ ". Then truth set of $P$ $\leftrightarrow \mathrm{Q}$ is $\{1,4\}$ $\{2,6\}$ $\{3,4,5\}$ $\{1\}$
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UGC NET CSE | June 2023 | Part 2: 14
Consider a disk system with cylinders. The request to access the cylinders occurs in the following sequence: \[ 4,34,10,7,19,73,2,15,6,20 \] Assuming that the head is currently at cylinder $50$ ... time first policy is used? $119 \mathrm{~ms}$ $120 \mathrm{~ms}$ $142 \mathrm{~ms}$ $146 \mathrm{~ms}$
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UGC NET CSE | June 2023 | Part 2: 15
In the standard Ethernet with transmission rate of $10 \mathrm{Mbps}$, asssume that the length of the medium is $2500 \mathrm{~m}$ and size of a frame is $512$ ... $50.12 \mu \mathrm{s}$ $12.5 \mu \mathrm{s}$ and $51.2 \mu \mathrm{s}$
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UGC NET CSE | June 2023 | Part 2: 16
Consider two hosts $\text{P}$ and $\text{Q}$ that are connected through a router $\text{R}$. The maximum transfer unit $\text{(MTU)}$ value of the link between $\text{P}$ and $\text{R}$ is $1500$ bytes and between $\text{R}$ and $\text{Q}$ is $820$ bytes. A ... $\text{A}$ and $\text{C}$ only $\text{C}$ and $\text{D}$ only $\text{B}$ and $\text{D}$ only
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UGC NET CSE | June 2023 | Part 2: 17
A TCP server application is programmed to listen on port $\text{P}$ on host $\text{S}$. A TCP client is connected to the TCP server over the network, Consider that while TCP connection is active the server is crashed and rebooted. Assume that the ... is true but Statement $\text{II}$ is false Statement $\text{I}$ is false but Statement $\text{II}$ is true
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UGC NET CSE | June 2023 | Part 2: 18
Let $\oplus$ denote XOR operation. Let $1$ and $0$ denote the binary constants and $F$ is the Boolean expression over two variables $P$ and $Q$ $F(P, Q)=((1 \oplus P) \oplus(P \oplus Q)) \oplus((P \oplus Q) \oplus(Q \oplus 0))$ Which of the following is equivalent expression to $F$ ? $P \oplus Q$ $P+Q$ $\overline{P+Q}$ $\overline{P \oplus Q}$
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UGC NET CSE | June 2023 | Part 2: 20
$256 \mathrm{Mb}$ DRAM is organized as a $32 \mathrm{M} \times 8$ memory externally and as a $16 \mathrm{~K} \times $16$ \mathrm{~K}$ square array internally. Each row must be refreshed at least once every $50$ mili second to forestall loss of data; refreshing ... of the total memory bandwidth is lost to refresh cycles? $6.6 \%$ $3.3 \%$ $9.9 \%$ $4.3 \%$
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