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1
GATE CSE 1989 | Question: 3-v
Which of the following well-formed formulas are equivalent? $P \rightarrow Q$ $\neg Q \rightarrow \neg P$ $\neg P \vee Q$ $\neg Q \rightarrow P$
answered
in
Mathematical Logic
May 31, 2020
3.6k
views
gate1989
normal
mathematical-logic
propositional-logic
multiple-selects
0
votes
2
GATE CSE 2016 Set 1 | Question: 8
We want to design a synchronous counter that counts the sequence $0-1-0-2-0-3$ and then repeats. The minimum number of $\text{J-K}$ flip-flops required to implement this counter is _____________.
answered
in
Digital Logic
May 22, 2020
51.8k
views
gatecse-2016-set1
digital-logic
digital-counter
flip-flop
normal
numerical-answers
1
vote
3
TIFR CSE 2018 | Part B | Question: 13
Let $n\geq 3,$ and let $G$ be a simple, connected, undirected graph with the same number $n$ of vertices and edges. Each edge of $G$ has a distinct real weight associated with it. Let $T$ be the minimum weight spanning tree of $G.$ Which of the ... edge of $C$ is not in $T.$ $T$ can be found in $O(n)$ time from the adjacency list representation of $G.$
answered
in
Algorithms
May 10, 2020
2.8k
views
tifr2018
graph-algorithm
minimum-spanning-tree
0
votes
4
GATE CSE 2015 Set 2 | Question: 10
A binary tree T has $20$ leaves. The number of nodes in T having two children is ______.
answered
in
DS
May 3, 2020
30.0k
views
gatecse-2015-set2
data-structures
binary-tree
normal
numerical-answers
1
vote
5
TIFR CSE 2011 | Part B | Question: 32
Various parameter passing mechanisms have been in used in different programming languages. Which of the following statements is true? Call by value result is used in language Ada. Call by value result is the same as call by name. Call by value is the most robust. Call by reference is the same as call by name. Call by name is the most efficient.
answered
in
Programming in C
May 2, 2020
1.7k
views
tifr2011
programming
parameter-passing
0
votes
6
GATE CSE 2001 | Question: 2.22
Consider Peterson's algorithm for mutual exclusion between two concurrent processes i and j. The program executed by process is shown below. repeat flag[i] = true; turn = j; while (P) do no-op; Enter critical section, perform actions, then exit critical section Flag[i] = ... i flag[j] = true and turn = j flag[i] = true and turn = j flag[i] = true and turn = i
answered
in
Operating System
Jan 30, 2020
26.5k
views
gatecse-2001
operating-system
process-synchronization
normal
1
vote
7
GATE CSE 2012 | Question: 32
Fetch_And_Add(X,i) is an atomic Read-Modify-Write instruction that reads the value of memory location $X$, increments it by the value $i$, and returns the old value of $X$. It is used in the pseudocode shown below to implement ... take on a non-zero value when the lock is actually available works correctly but may starve some processes works correctly without starvation
answered
in
Operating System
Jan 29, 2020
29.8k
views
gatecse-2012
operating-system
process-synchronization
normal
0
votes
8
GATE CSE 2019 | Question: 55
Consider the following relations $P(X,Y,Z), Q(X,Y,T)$ and $R(Y,V)$ ... Answer: ________
answered
in
Databases
Jan 20, 2020
14.2k
views
gatecse-2019
numerical-answers
databases
relational-algebra
2-marks
2
votes
9
GATE CSE 2003 | Question: 85
Consider the following functional dependencies in a database. ... is in second normal form but not in third normal form in third normal form but not in BCNF in BCNF in none of the above
answered
in
Databases
Jan 18, 2020
14.8k
views
gatecse-2003
databases
database-normalization
normal
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