Recent questions without a selected answer / GATE Overflow for GATE CSE

2 votes

1 answer

121

GO Classes CS 2025 | Weekly Quiz 5 | Set Theory | Question: 1
If $A$ and $B$ are two sets and $A \cup B = A \cap B$ then $A=\phi$ $B=\phi$ $A\neq B$ $A=B$

If $A$ and $B$ are two sets and $A \cup B = A \cap B$ then$A=\phi$$B=\phi$$A\neq B$$A=B$

GO Classes

171 views

GO Classes asked Apr 10

1 votes

2 answers

122

GO Classes CS 2025 | Weekly Quiz 5 | Set Theory | Question: 2
The cardinality of the power set of $A \cup B$, where $A=\{2,3,5,7\}$ and $B=\{2$, $5,8,9\}$, is?

The cardinality of the power set of $A \cup B$, where $A=\{2,3,5,7\}$ and $B=\{2$, $5,8,9\}$, is?

GO Classes

165 views

GO Classes asked Apr 10

2 votes

1 answer

123

GO Classes CS 2025 | Weekly Quiz 5 | Set Theory | Question: 3
What is the Cartesian product of $A=\{1,2\}$ and $B=\{a, b\}$ ? $\{(1, a),(1, b),(2, a),(b, b)\}$ $\{(1,1),(2,2),(a, a),(b, b)\}$ $\{(1, a),(2, a),(1, b),(2, b)\}$ $\{(1,1),(a, a),(2, a),(1, b)\}$

What is the Cartesian product of $A=\{1,2\}$ and $B=\{a, b\}$ ?$\{(1, a),(1, b),(2, a),(b, b)\}$$\{(1,1),(2,2),(a, a),(b, b)\}$$\{(1, a),(2, a),(1, b),(2, b)\}$$\{(1,1),(...

GO Classes

129 views

GO Classes asked Apr 10

2 votes

3 answers

124

GO Classes CS 2025 | Weekly Quiz 5 | Set Theory | Question: 5
Let $\mathrm{A}$ be a finite set of size $\mathrm{n}$. The number of elements in the power set of $A \times A$ is: $2^{n^2}$ $\left(2^n\right)^2$ $\left(2^2\right)^n$ None of the above

Let $\mathrm{A}$ be a finite set of size $\mathrm{n}$. The number of elements in the power set of $A \times A$ is:$2^{n^2}$$\left(2^n\right)^2$$\left(2^2\right)^n$None of...

GO Classes

170 views

GO Classes asked Apr 10

2 votes

1 answer

125

GO Classes CS 2025 | Weekly Quiz 5 | Set Theory | Question: 6
Which one of the following is/are true? $R \cap S=(R \cup S)-[(R-S) \cup(S-R)]$ $R \cup S=(R \cap S)-[(R-S) \cup(S-R)]$ $R \cap S=(R \cup S)-[(R-S) \cap(S-R)]$ $R \cap S=(R \cup S) \cup(R-S)$

Which one of the following is/are true?$R \cap S=(R \cup S)-[(R-S) \cup(S-R)]$$R \cup S=(R \cap S)-[(R-S) \cup(S-R)]$$R \cap S=(R \cup S)-[(R-S) \cap(S-R)]$$R \cap S=(R \...

GO Classes

113 views

GO Classes asked Apr 10

3 votes

1 answer

126

GO Classes CS 2025 | Weekly Quiz 5 | Set Theory | Question: 7
Let $A$ and $B$ be sets in a finite universal set $U$. Given the following : $|A-B|,|A \oplus B|,|A|+|B|$, and $|A \cup B|$ Which of the following is in order of increasing size ? $|A-B|<|A \oplus B|<|A|+|B|<|A \cup B|$ ... $|A-B|<|A \oplus B|<|A \cup B|<|A|+|B|$

Let $A$ and $B$ be sets in a finite universal set $U$. Given the following : $|A-B|,|A \oplus B|,|A|+|B|$, and $|A \cup B|$ Which of the following is in order of increasi...

GO Classes

205 views

GO Classes asked Apr 10

8 votes

1 answer

127

GO Classes CS 2025 | Weekly Quiz 5 | Set Theory | Question: 8
Let $A=\{0,1\} \times\{0,1\}$ and $B=\{a, b, c\}$. Suppose $A$ is listed in lexicographic order based on $0<1$ and $B$ is in alphabetic order. If $A \times B \times A$ is listed in lexicographic order, then the next element after $((1,0), c,(1,1))$ is $((1,0), a,(0,0))$ $((1,1), c,(0,0))$ $((1,1), a,(0,0))$ $((1,1), a,(1,1))$

Let $A=\{0,1\} \times\{0,1\}$ and $B=\{a, b, c\}$. Suppose $A$ is listed in lexicographic order based on $0<1$ and $B$ is in alphabetic order. If $A \times B \times A$ is...

GO Classes

179 views

GO Classes asked Apr 10

4 votes

1 answer

128

GO Classes CS 2025 | Weekly Quiz 5 | Set Theory | Question: 9
Which of the following statements is $\textbf{TRUE}$? For all sets $A, B$, and $C, A-(B-C)=(A-B)-C$. For all sets $A, B$, and $C,(A-B) \cap(C-B)=(A \cap C)-B$. For all sets $A, B$, and $C,(A-B) \cap(C-B)=A-(B \cup C)$. For all sets $A, B$, and $C$, if $A \cap C=B \cap C$ then $A=B$.

Which of the following statements is $\textbf{TRUE}$?For all sets $A, B$, and $C, A-(B-C)=(A-B)-C$.For all sets $A, B$, and $C,(A-B) \cap(C-B)=(A \cap C)-B$.For all sets ...

GO Classes

151 views

GO Classes asked Apr 10

1 votes

0 answers

129

GO Classes CS 2025 | Weekly Quiz 5 | Set Theory | Question: 10
Which of the following statements is $\textbf{FALSE}$? $C-(B \cup A)=(C-B)-A$ $A-(C \cup B)=(A-B)-C$ $B-(A \cup C)=(B-C)-A$ $A-(B \cup C)=(B-C)-A$

Which of the following statements is $\textbf{FALSE}$?$C-(B \cup A)=(C-B)-A$$A-(C \cup B)=(A-B)-C$$B-(A \cup C)=(B-C)-A$$A-(B \cup C)=(B-C)-A$

GO Classes

125 views

GO Classes asked Apr 10

0 votes

0 answers

130

gate 2024
hello,my gate AIR is 645 and my category is OBC-NCL and my brach is CSE so my question is which top iits can i get at this score??

hello,my gate AIR is 645 and my category is OBC-NCL and my brach is CSE so my question is which top iits can i get at this score??

Viraj2412

102 views

Viraj2412 asked Apr 10

0 votes

0 answers

131

A/an ________ algorithm ensures no starvation. a. Altruistic b. Lock-free c.Test and set d.Compare and set

Mujahid s

48 views

Mujahid s asked Apr 10

0 votes

1 answer

132

#unacademyDPP

4nm01_

87 views

4nm01_ asked Apr 9

0 votes

0 answers

133

PGEE exam
What Bakery Algorithm improves: (a). throughput (b). latency (c). both (d). None

What Bakery Algorithm improves: (a). throughput (b). latency (c). both (d). None

Himanshu_2211

117 views

Himanshu_2211 asked Apr 8

0 votes

0 answers

134

If P and Q are predicates and P is the relational algebra expression, then which of the following equivalence are valid ? (1) σP(σQ(e)) = σQ(σP(e)). (2) σP(σQ(e)) = σP ∪ Q(e) (3) σP(σP(e)) = σP V Q (4) All of these

SandeepKumar147

91 views

SandeepKumar147 asked Apr 8

1 votes

1 answer

135

#Recursivefunctions
int bar(int val){ int x=0; while(val > 0){ x=x+bar(val -1); } return val; } Q: For bar(3) this function is supposed to be stuck in an infinite loop but I do not know how please can someone explain?

int bar(int val){int x=0;while(val 0){x=x+bar(val -1);}return val;}Q: For bar(3) this function is supposed to be stuck in an infinite loop but I do not know how please c...

sumitkumarsethi

131 views

sumitkumarsethi asked Apr 8

0 votes

0 answers

136

Why does the transmission rate in the reserved link gets divided when more concurrent connections are established?

I am reading Kurose Computer Networking book 8e, on page number 57, under 1.3.2 Circuit SwitchingBecause it link has $4$ circuits, for each link used by the end-to-end co...

tbhaxor

77 views

tbhaxor asked Apr 7

0 votes

0 answers

137

Issue for test
Although I have given one test for IIIT PGEE mock yet I am not able to see check the questions and do my test analysis please help me in this regard

Although I have given one test for IIIT PGEE mock yet I am not able to see check the questions and do my test analysis please help me in this regard

Bibaswata Guha

57 views

Bibaswata Guha asked Apr 7

0 votes

0 answers

138

Link vs Channel in computer networking
While reading computer networking, I am confused between link and channel and seen people using this interchangeably (which often bugs me). Language written in books and forums A link refers to the most basic physical or logical connection between two devices. ... A can connect to B via Ethernet, and A can connect to C via RF. What do you think about this?

While reading computer networking, I am confused between link and channel and seen people using this interchangeably (which often bugs me).Language written in books and f...

tbhaxor

93 views

tbhaxor asked Apr 5

0 votes

1 answer

139

Relation R(A1, A2, A3 ..... An) n attributes. On this relation m simple candidate key (m ≤ n). How many super keys possible in this relation? A. 2m – 1 B. (2n – 1) ⋅ 2n-m C. 2n – 1 D. (2m – 1) 2n-m

SandeepKumar147

130 views

SandeepKumar147 asked Apr 5

1 votes

1 answer

140

fork() system call
Consider the following pieces of codes for fork( ) system call. Solve and explain how many child processes are created upon execution of this program? Snippet 1: void main( ) { fork( ); fork( ); exit( ); } Snippet 2: int main( ) { int i; for (i = 0; i < 4; i++) fork(); return 0; } Learning Outcomes. Understand the working of fork ( ) system call.

Consider the following pieces of codes for fork( ) system call. Solve and explain how many child processes are created upon execution of this program? Snippet 1:void main...

Sparkboy

250 views

Sparkboy asked Apr 4

0 votes

0 answers

141

Convert the following decimal numbers to 8-bit two’s complement numbers or indicate that the number would overflow the range.

lolok

129 views

lolok asked Apr 4

0 votes

0 answers

142

Can a candidate key for a composite attribute be called a composite key?
Let's take an example of student entity type Name Class Section Address (Line1, Line2, City, State, Country, PinCode) Since composite attribute holds multiple atomic attributes, such that the group is treated as ... (ignoring the semantics) the combinations like {Class, Section} {Class, Address} {Name, Class, Section}

Let's take an example of student entity typeNameClassSectionAddress (Line1, Line2, City, State, Country, PinCode)Since composite attribute holds multiple atomic attribute...

tbhaxor

84 views

tbhaxor asked Apr 4

0 votes

0 answers

143

Algorithms notes from Go classes
can anyone have the algorithm notes from go classes (PDF or material)

can anyone have the algorithm notes from go classes (PDF or material)

aravindhz

89 views

aravindhz asked Apr 4

0 votes

1 answer

144

Internet
A non empty set A is termed as an algebraic structure ________ a)with respect to binary operation * b)with respect to ternary operation ? c)with respect to binary operation + d)with respect to unary operation –

A non empty set A is termed as an algebraic structure ________a)with respect to binary operation *b)with respect to ternary operation ?c)with respect to binary operation ...

Tankut

124 views

Tankut asked Apr 4

0 votes

0 answers

145

Operating system concepts 9th edition Abdraham Silberschatz
Write a monitor to solve the consumer-producer problem. The basic program structure is shown as follows. monitor ProducerConsumer { int in, out, count; Item buffer[BUFFER_SIZE]; condition empty, full; // To add anything ... } Process Consumer: while(true) { ProducerConsumer.get(next_consumed); /* consume the item in next_consumed */ }

Write a monitor to solve the consumer-producer problem. Thebasic program structure is shown as follows.monitor ProducerConsumer {int in, out, count;Item buffer[BUFFER_SIZ...

Maxine

83 views

Maxine asked Apr 3

6 votes

2 answers

146

GO Classes CS/DA 2025 | Weekly Quiz 5 | Linear Algebra | Question: 1
Let $A$ be an $n \times n$ matrix of real or complex numbers. Which of the following statements are equivalent to: “the matrix $A$ is invertible”? The columns of $A$ are linearly independent. The rows of $A$ are linearly independent. The only solution of the homogeneous equations $Ax = 0$ is $x = 0$. The rank of $A$ is $n$.

Let $A$ be an $n \times n$ matrix of real or complex numbers. Which of the following statements are equivalent to: “the matrix $A$ is invertible”?The columns of $A$ a...

GO Classes

228 views

GO Classes asked Apr 3

7 votes

3 answers

147

GO Classes CS/DA 2025 | Weekly Quiz 5 | Linear Algebra | Question: 2
Let $M$ be a $2 \times 2$ matrix with the property that the sum of each of the rows and also the sum of each of the columns is the same constant $c$. Which (if any) any of the vectors must be an eigenvector of $M$ ... $W = \left[\begin{array}{l}1 \\ 1 \\ \end{array}\right]$ $U$ $V$ $W$ None of the above

Let $M$ be a $2 \times 2$ matrix with the property that the sum of each of the rowsand also the sum of each of the columns is the same constant $c$. Which (if any) any of...

GO Classes

249 views

GO Classes asked Apr 3

3 votes

1 answer

148

GO Classes CS/DA 2025 | Weekly Quiz 5 | Linear Algebra | Question: 3
Let the $n \times n$ matrix $A$ have an eigenvalue $\lambda$ with corresponding eigenvector $v$. Which of the following statements are true for matrix $A$. $-v$ is an eigenvector of $-A$ with eigenvalue $- \lambda$. If $v$ is also ... $A+B$. eigenvalue of $A^3$ is $\lambda^3$ and the eigenvector is $v^3$ .

Let the $n \times n$ matrix $A$ have an eigenvalue $\lambda$ with corresponding eigenvector $v$.Which of the following statements are true for matrix $A$.$-v$ is an eigen...

GO Classes

315 views

GO Classes asked Apr 3

1 votes

2 answers

149

GO Classes CS/DA 2025 | Weekly Quiz 5 | Linear Algebra | Question: 4
Consider the following matrix A: $\left[\begin{array}{lll}2 & -1 & 0 \\ 0 & 2 & 0 \\ 1 & 0 & 2\end{array}\right]$ Which of the following regarding the matrix $A$ ... $x$ is the eigenvector corresponding to eigenvalue $\lambda$ of $A$ then $x$ is also the eigenvector of $A^{-1}$.

Consider the following matrix A:$\left[\begin{array}{lll}2 & -1 & 0 \\ 0 & 2 & 0 \\ 1 & 0 & 2\end{array}\right]$Which of the following regarding the matrix $A$ is/are cor...

GO Classes

181 views

GO Classes asked Apr 3

1 votes

1 answer

150

GO Classes CS/DA 2025 | Weekly Quiz 5 | Linear Algebra | Question: 5
Suppose a $3 \times 5$ matrix $A$ has rank $r = 3$. Then the equation $Ax = b$ $\textbf{BLANK 1}$ has $\textbf{BLANK 2}$ ... BLANK 2: Infinitely many solutions BLANK 1: Sometimes, BLANK 2: Unique solution BLANK 1: Sometimes, BLANK 2: Infinitely many solutions

Suppose a $3 \times 5$ matrix $A$ has rank $r = 3$. Then the equation $Ax = b$ $\textbf{BLANK 1}$ has $\textbf{BLANK 2}$.Which of the following are appropriate words ...

GO Classes

111 views

GO Classes asked Apr 3

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