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GATE | GATE-CS-2000 | Question 49

Last Updated: 15 October 2019

In SQL, relations can contain null values, and comparisons with null values are treated as unknown. Suppose all comparisons with a null value are treated as false. Which o ...read more

GATE-GATE-CS-2000

GATE | GATE-CS-2000 | Question 47

Last Updated: 28 June 2021

Given the following relation instance. x y z1 4 21 5 31 6 33 2 2 Which of the following functional dependencies are satisfied by the instance? (GATE CS 2000)(A ...read more

GATE-GATE-CS-2000

GATE | GATE-CS-2000 | Question 49

Last Updated: 28 June 2021

Which of the following is NOT a valid deadlock prevention scheme? (GATE CS 2000)(A) Release all resources before requesting a new resource(B) Number the resources uniquely ...read more

GATE-GATE-CS-2000

Similar Topics

GATE

3.2k+ articles

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1.5k+ articles

MCQ

100+ articles

GATE-CS-2005

80+ articles

GATE-CS-2003

80+ articles

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40+ articles

GATE-CS-2001

40+ articles

GATE-GATE-CS-2000

40+ articles

GATE-CS-DS-&-Algo

30+ articles

GATE-CS-C-Language

10+ articles

GATE | GATE-CS-2000 | Question 45

Last Updated: 28 June 2021

Suppose the time to service a page fault is on the average 10 milliseconds, while a memory access takes 1 microsecond. Then a 99.99% hit ratio results in average memory ac ...read more

GATE-GATE-CS-2000

GATE | GATE-CS-2000 | Question 49

Last Updated: 12 September 2019

Given the following expression grammar: E -> E * F | F + E | FF -> F - F | id which of the following is true? (A) * has higher precedence than +(B) – has higher precedence ...read more

GATE-GATE-CS-2000

GATE | GATE-CS-2000 | Question 43

Last Updated: 28 June 2021

The value of j at the end of the execution of the following C program. [sourcecode language="C"]int incr(int i){ static int count = 0; count = count + i; return (cou ...read more

GATE-GATE-CS-2000

GATE | GATE-CS-2000 | Question 41

Last Updated: 28 June 2021

Let G be an undirected connected graph with distinct edge weight. Let emax be the edge with maximum weight and emin the edge with minimum weight. Which of the following st...read more

GATE-GATE-CS-2000

GATE | GATE-CS-2000 | Question 23

Last Updated: 28 June 2021

Given the relations employee (name, salary, deptno) anddepartment (deptno, deptname, address)Which of the following queries cannot be expressed using the basic relational ...read more

GATE-GATE-CS-2000

GATE | GATE-CS-2000 | Question 49

Last Updated: 28 June 2021

Let m[0]…m[4] be mutexes (binary semaphores) and P[0] …. P[4] be processes.Suppose each process P[i] executes the following: wait (m[i]); wait(m[(i+1) mode 4]); ------ ...read more

GATE-GATE-CS-2000

GATE | GATE-CS-2000 | Question 14

Last Updated: 14 February 2018

Consider the following nested representation of binary trees: (X Y Z) indicates Y and Z are the left and right sub stress, respectively, of node X. Note that Y and Z may b...read more

GATE-GATE-CS-2000

GATE | GATE-CS-2000 | Question 10

Last Updated: 20 November 2018

The most appropriate matching for the following pairsX: Indirect addressing 1 : LoopsY: Immediate addressing 2 : PointersZ: Auto decrement addressing ...read more

GATE-GATE-CS-2000

GATE | GATE-CS-2000 | Question 5

Last Updated: 14 February 2018

Let L denotes the language generated by the grammar S -> 0S0/00. Which of the following is true?(A) L = 0+(B) L is regular but not 0+(C) L is context free but not regular...read more

GATE-GATE-CS-2000

GATE | GATE-CS-2000 | Question 4

Last Updated: 28 June 2021

Let S and T be language over Σ = {a,b} represented by the regular expressions (a+b*)* and (a+b)*, respectively. Which of the following is true?(A) S ⊂ T (B) T ⊂ S (C) S ...read more

GATE-GATE-CS-2000

C Language | Set 3

Last Updated: 09 April 2018

Following questions have been asked in GATE CS exam. 1.Assume the following C variable declaration int *A [10], B[10][10]; Of the following expressions I A[2] II A ...read more

GATE-CS-C-Language

C Language | Set 1

Last Updated: 07 October 2021

Following questions have been asked in GATE CS exam.1. Consider the following three C functions : [sourcecode language="c"][PI] int * g (void) { int x = 10; return (x) ...read more

GATE-CS-C-Language