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Recent questions tagged gatecse-2016-set1
48
votes
6
answers
1
GATE CSE 2016 Set 1 | Question: 43
Consider the transition diagram of a PDA given below with input alphabet $\Sigma=\{a,b\}$ and stack alphabet $\Gamma = \{X,Z\}$. $Z$ is the initial stack symbol. Let $L$ ... on every input $L =\{a^n\mid n \geq0 \} \cup \{a^nb^n \mid n \geq 0\}$ and is deterministic context-free
Consider the transition diagram of a PDA given below with input alphabet $\Sigma=\{a,b\}$ and stack alphabet $\Gamma = \{X,Z\}$. $Z$ is the initial stack symbol. Let $L$ ...
Sandeep Singh
16.7k
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Sandeep Singh
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Feb 12, 2016
Theory of Computation
gatecse-2016-set1
theory-of-computation
pushdown-automata
normal
+
–
65
votes
9
answers
2
GATE CSE 2016 Set 1 | Question: 38
Consider the weighted undirected graph with $4$ vertices, where the weight of edge $\{i,j\}$ is given by the entry $W_{ij}$ in the matrix $W$ ... integer value of $x$, for which at least one shortest path between some pair of vertices will contain the edge with weight $x$ is ___________.
Consider the weighted undirected graph with $4$ vertices, where the weight of edge $\{i,j\}$ is given by the entry $W_{ij}$ in the matrix $W$. W=$\begin{bmatrix} 0&2 &8 &...
Sandeep Singh
23.7k
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Feb 12, 2016
DS
gatecse-2016-set1
data-structures
graph-theory
normal
numerical-answers
+
–
44
votes
11
answers
3
GATE CSE 2016 Set 1 | Question: 35
What will be the output of the following $C$ program? void count (int n) { static int d=1; printf ("%d",n); printf ("%d",d); d++; if (n>1) count (n-1); printf ("%d",d); } void main(){ count (3); } $3 \ 1 \ 2 \ 2 \ 1 \ 3 \ 4 \ 4 \ 4$ $3 \ 1 \ 2 \ 1 \ 1 \ 1 \ 2 \ 2 \ 2$ $3 \ 1 \ 2 \ 2 \ 1 \ 3 \ 4$ $3 \ 1 \ 2 \ 1 \ 1 \ 1 \ 2$
What will be the output of the following $C$ program?void count (int n) { static int d=1; printf ("%d",n); printf ("%d",d); d++; if (n>1) count (n-1); printf ("%d",d); } ...
Sandeep Singh
15.3k
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Sandeep Singh
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Feb 12, 2016
Programming in C
gatecse-2016-set1
programming-in-c
recursion
normal
+
–
117
votes
6
answers
4
GATE CSE 2016 Set 1 | Question: 40
$G=(V, E)$ is an undirected simple graph in which each edge has a distinct weight, and $e$ is a particular edge of $G$. Which of the following statements about the minimum spanning trees $(MSTs)$ of $G$ is/are TRUE? If $e$ is the lightest edge of some ... some cycle in $G$, then every MST of $G$ excludes $e$. I only. II only. Both I and II. Neither I nor II.
$G=(V, E)$ is an undirected simple graph in which each edge has a distinct weight, and $e$ is a particular edge of $G$. Which of the following statements about the minimu...
Sandeep Singh
26.0k
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Sandeep Singh
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Feb 12, 2016
Algorithms
gatecse-2016-set1
algorithms
spanning-tree
normal
+
–
85
votes
18
answers
5
GATE CSE 2016 Set 1 | Question: 39
Let $G$ be a complete undirected graph on $4$ vertices, having $6$ edges with weights being $1, 2, 3, 4, 5,$ and $6$. The maximum possible weight that a minimum weight spanning tree of $G$ can have is __________
Let $G$ be a complete undirected graph on $4$ vertices, having $6$ edges with weights being $1, 2, 3, 4, 5,$ and $6$. The maximum possible weight that a minimum weight s...
Sandeep Singh
35.1k
views
Sandeep Singh
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Feb 12, 2016
Algorithms
gatecse-2016-set1
algorithms
spanning-tree
normal
numerical-answers
+
–
24
votes
7
answers
6
GATE CSE 2016 Set 1 | Question: 30
Consider the two cascade $2$ to $1$ multiplexers as shown in the figure . The minimal sum of products form of the output $X$ is $\overline{P} \ \overline {Q}+PQR$ $\overline{P} \ {Q}+QR$ $PQ +\overline{P} \ \overline{Q}R$ $\overline{Q} \ \overline{R} + PQR$
Consider the two cascade $2$ to $1$ multiplexers as shown in the figure . The minimal sum of products form of the output $X$ is $\overline{P} \ \overline {Q}+PQR$$\ove...
Sandeep Singh
9.3k
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Sandeep Singh
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Feb 12, 2016
Digital Logic
gatecse-2016-set1
digital-logic
multiplexer
normal
+
–
47
votes
5
answers
7
GATE CSE 2016 Set 1 | Question: 44
Let $X$ be a recursive language and $Y$ be a recursively enumerable but not recursive language. Let $W$ and $Z$ be two languages such that $\overline{Y}$ reduces to $W$, and $Z$ reduces to $\overline{X}$ (reduction means the standard ... enumerable. $W$ is not recursively enumerable and $Z$ is recursive. $W$ is not recursively enumerable and $Z$ is not recursive.
Let $X$ be a recursive language and $Y$ be a recursively enumerable but not recursive language. Let $W$ and $Z$ be two languages such that $\overline{Y}$ reduces to $W$,...
Sandeep Singh
12.3k
views
Sandeep Singh
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Feb 12, 2016
Theory of Computation
gatecse-2016-set1
theory-of-computation
easy
recursive-and-recursively-enumerable-languages
reduction
+
–
100
votes
21
answers
8
GATE CSE 2016 Set 1 | Question: 54
For a host machine that uses the token bucket algorithm for congestion control, the token bucket has a capacity of $1$ $\text{megabyte}$ and the maximum output rate is $20$ $\text{megabytes}$ per $\text{second}$. Tokens arrive at a rate to ... to send $12$ $\text{megabytes}$ of data. The minimum time required to transmit the data is _____________ $\text{seconds}$.
For a host machine that uses the token bucket algorithm for congestion control, the token bucket has a capacity of $1$ $\text{megabyte}$ and the maximum output rate is $2...
Sandeep Singh
41.6k
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Sandeep Singh
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Feb 12, 2016
Computer Networks
gatecse-2016-set1
computer-networks
token-bucket
normal
numerical-answers
+
–
112
votes
7
answers
9
GATE CSE 2016 Set 1 | Question: 50
Consider the following proposed solution for the critical section problem. There are $n$ processes : $P_0....P_{n-1}$. In the code, function $\text{pmax}$ ... in the critical section at any time The bounded wait condition is satisfied The progress condition is satisfied It cannot cause a deadlock
Consider the following proposed solution for the critical section problem. There are $n$ processes : $P_0....P_{n-1}$. In the code, function $\text{pmax}$ returns an inte...
Sandeep Singh
47.1k
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Sandeep Singh
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Feb 12, 2016
Operating System
gatecse-2016-set1
operating-system
process-synchronization
difficult
ambiguous
+
–
91
votes
9
answers
10
GATE CSE 2016 Set 1 | Question: 28
A function $f: \Bbb{N^+} \rightarrow \Bbb{N^+}$ , defined on the set of positive integers $\Bbb{N^+}$, satisfies the following properties: $f(n)=f(n/2)$ if $n$ is even $f(n)=f(n+5)$ if $n$ is odd Let $R=\{ i \mid \exists{j} : f(j)=i \}$ be the set of distinct values that $f$ takes. The maximum possible size of $R$ is ___________.
A function $f: \Bbb{N^+} \rightarrow \Bbb{N^+}$ , defined on the set of positive integers $\Bbb{N^+}$, satisfies the following properties: $f(n)=f(n/2)...
Sandeep Singh
21.3k
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Sandeep Singh
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Feb 12, 2016
Set Theory & Algebra
gatecse-2016-set1
set-theory&algebra
functions
normal
numerical-answers
+
–
45
votes
5
answers
11
GATE CSE 2016 Set 1 | Question: 48
Cylinder a disk queue with requests for $I/O$ to blocks on cylinders $47, 38, 121, 191, 87, 11, 92, 10.$ The C-LOOK scheduling algorithm is used. The head is initially at cylinder number $63$, moving towards larger cylinder ... are numbered from $0$ to $199$. The total head movement (in number of cylinders) incurred while servicing these requests is__________.
Cylinder a disk queue with requests for $I/O$ to blocks on cylinders $47, 38, 121, 191, 87, 11, 92, 10.$ The C-LOOK scheduling algorithm is used. The head is initially at...
Sandeep Singh
19.2k
views
Sandeep Singh
asked
Feb 12, 2016
Operating System
gatecse-2016-set1
operating-system
disk-scheduling
normal
numerical-answers
+
–
66
votes
10
answers
12
GATE CSE 2016 Set 1 | Question: 27
Consider the recurrence relation $a_1 =8 , a_n =6n^2 +2n+a_{n-1}$. Let $a_{99}=K\times 10^4$. The value of $K$ is __________.
Consider the recurrence relation $a_1 =8 , a_n =6n^2 +2n+a_{n-1}$. Let $a_{99}=K\times 10^4$. The value of $K$ is __________.
Sandeep Singh
28.2k
views
Sandeep Singh
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Feb 12, 2016
Combinatory
gatecse-2016-set1
combinatory
recurrence-relation
normal
numerical-answers
+
–
32
votes
6
answers
13
GATE CSE 2016 Set 1 | Question: 53
An IP datagram of size $1000$ $\text{bytes }$arrives at a router. The router has to forward this packet on a link whose MTU (maximum transmission unit) is $100$ $\text{bytes }$. Assume that the size of the IP header is $20$ $\text{bytes }.$ The number of fragments that the IP datagram will be divided into for transmission is________.
An IP datagram of size $1000$ $\text{bytes }$arrives at a router. The router has to forward this packet on a link whose MTU (maximum transmission unit) is $100$ $\text{by...
Sandeep Singh
16.5k
views
Sandeep Singh
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Feb 12, 2016
Computer Networks
gatecse-2016-set1
computer-networks
ip-packet
normal
numerical-answers
+
–
68
votes
9
answers
14
GATE CSE 2016 Set 1 | Question: 49
Consider a computer system with ten physical page frames. The system is provided with an access sequence $(a_{1}, a_{2},....,a_{20}, a_{1}, a_{2},...a_{20})$, where each $a_{i}$ is a distinct virtual page number. The difference in the number of page faults between the last-in-first-out page replacement policy and the optimal page replacement policy is_________.
Consider a computer system with ten physical page frames. The system is provided with an access sequence $(a_{1}, a_{2},....,a_{20}, a_{1}, a_{2},...a_{20})$, where each ...
Sandeep Singh
18.7k
views
Sandeep Singh
asked
Feb 12, 2016
Operating System
gatecse-2016-set1
operating-system
page-replacement
normal
numerical-answers
+
–
54
votes
4
answers
15
GATE CSE 2016 Set 1 | Question: 29
Consider the following experiment. Step 1. Flip a fair coin twice. Step 2. If the outcomes are (TAILS, HEADS) then output $Y$ and stop. Step 3. If the outcomes are either (HEADS, HEADS) or (HEADS, TAILS), then output $N$ and stop. Step 4. If ... , TAILS), then go to Step $1.$ The probability that the output of the experiment is $Y$ is (up to two decimal places)
Consider the following experiment.Step 1. Flip a fair coin twice.Step 2. If the outcomes are (TAILS, HEADS) then output $Y$ and stop.Step 3. If the outcomes are either (H...
Sandeep Singh
11.7k
views
Sandeep Singh
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Feb 12, 2016
Probability
gatecse-2016-set1
probability
normal
numerical-answers
+
–
56
votes
4
answers
16
GATE CSE 2016 Set 1 | Question: 37
An operator $delete(i)$ for a binary heap data structure is to be designed to delete the item in the $i$-th node. Assume that the heap is implemented in an array and $i$ refers to the $i$-th index of the array. If the heap tree has depth $d$ (number of edges on the path from the root ... $O(d)$ but not $O(1)$ $O(2^d)$ but not $O(d)$ $O(d \ 2^d)$ but not $O(2^d)$
An operator $delete(i)$ for a binary heap data structure is to be designed to delete the item in the $i$-th node. Assume that the heap is implemented in an array and $i$...
Sandeep Singh
15.1k
views
Sandeep Singh
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Feb 12, 2016
DS
gatecse-2016-set1
data-structures
binary-heap
normal
+
–
59
votes
8
answers
17
GATE CSE 2016 Set 1 | Question: 42
Consider the following context-free grammars; $G_1 : S \to aS \mid B, B \to b \mid bB$ $G_2 : S \to aA \mid bB, A \to aA \mid B \mid \varepsilon,B \to bB \mid \varepsilon$ Which one of the following pairs of languages is generated by $G_1$ and $G_2$ ... $\{ a^mb^n \mid m > 0 \text{ or } n>0\}$
Consider the following context-free grammars;$G_1 : S \to aS \mid B, B \to b \mid bB$$G_2 : S \to aA \mid bB, A \to aA \mid B \mid \varepsilon,B \to bB \mid \varepsilon$W...
Sandeep Singh
26.5k
views
Sandeep Singh
asked
Feb 12, 2016
Theory of Computation
gatecse-2016-set1
theory-of-computation
context-free-language
normal
+
–
30
votes
1
answer
18
GATE CSE 2016 Set 1 | Question: 34
The following function computes the maximum value contained in an integer array $P[ \ ]$ of size $n$ $(n>=1)$. int max (int *p,int n) { int a = 0, b=n-1; while (__________) { if (p[a]<= p[b]) {a = a+1;} else {b = b-1;} } return p[a]; } The missing loop condition is: $a\ \ != n$ $b\ \ != 0$ $b>(a+1)$ $b\ \ != a$
The following function computes the maximum value contained in an integer array $P[ \ ]$ of size $n$ $(n>=1)$. int max (int *p,int n) { int a = 0, b=n-1;...
Sandeep Singh
11.1k
views
Sandeep Singh
asked
Feb 12, 2016
Programming in C
gatecse-2016-set1
programming-in-c
normal
+
–
64
votes
4
answers
19
GATE CSE 2016 Set 1 | Question: 51
Consider the following two phase locking protocol. Suppose a transaction $T$ accesses (for read or write operations), a certain set of objects $\{O_1,\ldots,O_k \}$. This is done in the following ... freedom guarantee neither serializability nor deadlock-freedom guarantee serializability but not deadlock-freedom guarantee deadlock-freedom but not serializability.
Consider the following two phase locking protocol. Suppose a transaction $T$ accesses (for read or write operations), a certain set of objects $\{O_1,\ldots,O_k \}$. This...
Sandeep Singh
21.3k
views
Sandeep Singh
asked
Feb 12, 2016
Databases
gatecse-2016-set1
databases
transaction-and-concurrency
normal
+
–
69
votes
4
answers
20
GATE CSE 2016 Set 1 | Question: 36
What will be the output of the following pseudo-code when parameters are passed by reference and dynamic scoping is assumed? a = 3; void n(x) { x = x * a; print (x); } void m(y) { a = 1 ; a = y - a; n(a); print (a); } void main () { m(a); } $6,2$ $6,6$ $4,2$ $4,4$
What will be the output of the following pseudo-code when parameters are passed by reference and dynamic scoping is assumed? a = 3; void n(x) { x = x * a; ...
Sandeep Singh
23.7k
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Sandeep Singh
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Feb 12, 2016
Compiler Design
gatecse-2016-set1
parameter-passing
normal
+
–
26
votes
2
answers
21
GATE CSE 2016 Set 1 | Question: 46
Consider the following Syntax Directed Translation Scheme $( SDTS )$, with non-terminals $\{S,A \}$ and terminals $\{a,b \}$. $S \to aA \quad \{\text{print }1\}$ $S \to a \quad \{\text{print }2\}$ $A \to Sb \quad \{\text{print }3\}$ Using the above $SDTS$ ... printed by a bottom-up parser, for the input $aab$ is: $1 \ 3 \ 2 $ $2 \ 2 \ 3 $ $2 \ 3 \ 1 $ syntax error
Consider the following Syntax Directed Translation Scheme $( SDTS )$, with non-terminals $\{S,A \}$ and terminals $\{a,b \}$. $S \to aA \quad \{\text{print }1\}...
Sandeep Singh
10.5k
views
Sandeep Singh
asked
Feb 12, 2016
Compiler Design
gatecse-2016-set1
compiler-design
syntax-directed-translation
normal
+
–
43
votes
6
answers
22
GATE CSE 2016 Set 1 | Question: 31
The size of the data count register of a $\text{DMA}$ controller is $16\;\text{bits}$. The processor needs to transfer a file of $29,154$ kilobytes from disk to main memory. The memory is byte addressable. The minimum number of times ... needs to get the control of the system bus from the processor to transfer the file from the disk to main memory is _________.
The size of the data count register of a $\text{DMA}$ controller is $16\;\text{bits}$. The processor needs to transfer a file of $29,154$ kilobytes from disk to main memo...
Sandeep Singh
18.4k
views
Sandeep Singh
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Feb 12, 2016
CO and Architecture
gatecse-2016-set1
co-and-architecture
dma
normal
numerical-answers
+
–
35
votes
4
answers
23
GATE CSE 2016 Set 1 | Question: 45
The attribute of three arithmetic operators in some programming language are given below. ... $2-5+1-7*3$ in this language is ________.
The attribute of three arithmetic operators in some programming language are given below.$$\begin{array}{|c|l|}\hline \textbf{OPERATOR} & \textbf{PRECEDENCE} & \textbf{...
Sandeep Singh
10.0k
views
Sandeep Singh
asked
Feb 12, 2016
Compiler Design
gatecse-2016-set1
compiler-design
parsing
normal
numerical-answers
+
–
58
votes
11
answers
24
GATE CSE 2016 Set 1 | Question: 55
A sender uses the Stop-and-Wait $\text{ARQ}$ protocol for reliable transmission of frames. Frames are of size $1000$ ... $100$ milliseconds. Assuming no frame is lost, the sender throughput is ________ bytes/ second.
A sender uses the Stop-and-Wait $\text{ARQ}$ protocol for reliable transmission of frames. Frames are of size $1000$ bytes and the transmission rate at the sender is $80\...
Sandeep Singh
26.1k
views
Sandeep Singh
asked
Feb 12, 2016
Computer Networks
gatecse-2016-set1
computer-networks
stop-and-wait
normal
numerical-answers
+
–
27
votes
4
answers
25
GATE CSE 2016 Set 1 | Question: 52
Consider that $B$ wants to send a message $m$ that is digitally signed to $A$. Let the pair of private and public keys for $A$ and $B$ be denoted by ${K_{x}}^-$ and ${K_{x}}^+$ for $x=A, B$, respectively. Let $K_{x}(m)$ represent the operation of encrypting $m$ with a ... $\left\{m, {K_{A}}^-(H(m))\right\}$ $\left\{m, {K_{A}}^+(m)\right\}$
Consider that $B$ wants to send a message $m$ that is digitally signed to $A$. Let the pair of private and public keys for $A$ and $B$ be denoted by ${K_{x}}^-$ and ${K_{...
Sandeep Singh
8.5k
views
Sandeep Singh
asked
Feb 12, 2016
Computer Networks
gatecse-2016-set1
computer-networks
network-security
easy
out-of-gate-syllabus
+
–
57
votes
17
answers
26
GATE CSE 2016 Set 1 | Question: 26
The coefficient of $x^{12}$ in $\left(x^{3}+x^{4}+x^{5}+x^{6}+\dots \right)^{3}$ is ___________.
The coefficient of $x^{12}$ in $\left(x^{3}+x^{4}+x^{5}+x^{6}+\dots \right)^{3}$ is ___________.
Sandeep Singh
25.6k
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Sandeep Singh
asked
Feb 12, 2016
Combinatory
gatecse-2016-set1
combinatory
generating-functions
normal
numerical-answers
+
–
73
votes
8
answers
27
GATE CSE 2016 Set 1 | Question: 32
The stage delays in a $4$-stage pipeline are $800, 500, 400$ and $300$ picoseconds. The first stage (with delay $800$ picoseconds) is replaced with a functionality equivalent design involving two stages with respective delays $600$ and $350$ picoseconds. The throughput increase of the pipeline is ___________ percent.
The stage delays in a $4$-stage pipeline are $800, 500, 400$ and $300$ picoseconds. The first stage (with delay $800$ picoseconds) is replaced with a functionality equiva...
Sandeep Singh
25.5k
views
Sandeep Singh
asked
Feb 12, 2016
CO and Architecture
gatecse-2016-set1
co-and-architecture
pipelining
normal
numerical-answers
+
–
32
votes
3
answers
28
GATE CSE 2016 Set 1 | Question: 47
Consider a computer system with $40$-bit virtual addressing and page size of sixteen kilobytes. If the computer system has a one-level page table per process and each page table entry requires $48$ bits, then the size of the per-process page table is __________ megabytes.
Consider a computer system with $40$-bit virtual addressing and page size of sixteen kilobytes. If the computer system has a one-level page table per process and each pag...
Sandeep Singh
13.5k
views
Sandeep Singh
asked
Feb 12, 2016
Operating System
gatecse-2016-set1
operating-system
virtual-memory
easy
numerical-answers
+
–
85
votes
9
answers
29
GATE CSE 2016 Set 1 | Question: 33
Consider a carry look ahead adder for adding two $n$-bit integers, built using gates of fan-in at most two. The time to perform addition using this adder is $\Theta (1)$ $\Theta (\log(n))$ $\Theta (\sqrt{n})$ $\Theta (n)$)
Consider a carry look ahead adder for adding two $n$-bit integers, built using gates of fan-in at most two. The time to perform addition using this adder is$\Theta (1)$$\...
Sandeep Singh
30.7k
views
Sandeep Singh
asked
Feb 12, 2016
Digital Logic
gatecse-2016-set1
digital-logic
adder
normal
+
–
143
votes
12
answers
30
GATE CSE 2016 Set 1 | Question: 41
Let $Q$ denote a queue containing sixteen numbers and $S$ be an empty stack. $Head(Q)$ returns the element at the head of the queue $Q$ without removing it from $Q$. Similarly $Top(S)$ returns the element at the top of $S$ without removing ... = Pop(S); Enqueue (Q, x); end end The maximum possible number of iterations of the while loop in the algorithm is _______.
Let $Q$ denote a queue containing sixteen numbers and $S$ be an empty stack. $Head(Q)$ returns the element at the head of the queue $Q$ without removing it from $Q$. Simi...
Sandeep Singh
34.5k
views
Sandeep Singh
asked
Feb 12, 2016
DS
gatecse-2016-set1
data-structures
queue
difficult
numerical-answers
+
–
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