PAGES: 1 2 3 4 61. Consider the following three SQL queries (Assume the data in the people table) : (a) Select Name from people where Age>21; (b) Select Name from people where Height>180; (c) Select Name from people where (Age>21) or (Height>180); If the SQL queries (a) and (b) […]
PAGES: 1 2 3 4 41. Match the following in Unix file system : List – I List – II (a) Boot block (i) Information about file system (b) Super block (ii) Information about file (c) Inode table (iii) Storage space (d) Data block (iv) Code for making OS ready […]
PAGES: 1 2 3 4 In Activity-Selection problem, each activity i has a start time si and a finish time fi where si≤fi. Activities i and j are compatible if: (A) si≥fj (B) sj≥fi (C) si≥fj or sj≥fi (D) si≥fj and sj≥fi Answer: C Given two sequences X and Y: […]
1. The three outputs x1x2x3 from the 8×3 priority encoder are used to provide a vector address of the form 101x1x2x300. What is the second highest priority vector address in hexadecimal if the vector addresses are starting from the one with the highest priority? (A) BC (B) A4 (C) BD […]
Pages: 1 2 3 4 5 31. A data cube C, has n dimensions, and each dimension has exactly p distinct values in the base cuboid. Assume that there are no concept hierarchies associated with the dimensions. What is the maximum number of cells possible in the data cube, C? […]
Pages: 1 2 3 4 5 21. Which of the following services is not provided by wireless access point in 802.11 WLAN? (A) Association (B) Disassociation (C) Error Correction (D) Integration Answer: C Explanation: IEEE 802.11 Services Which of the following fields in IPv4 datagram is not related to fragmentation? […]
Pages: 1 2 3 4 5 11. Consider the following program: #include<stdio.h> main() { int i, inp; float x, term=1, sum=0; scanf(“%d %f”,&inp, &x); for(i=1;i<=inp;i++) { term=term*x/i; sum=sum+term; } printf(“Result=%f\n”,sum); } The program computes the sum of which of the following series? (A) x+x2/2+x3/3+x4/4+… (B) x+x2/2!+x3/3!+x4/4!+… (C) 1+x2/2+x3/3+x4/4+… (D) 1+x2/2!+x3/3!+x4/4!+… […]
How many committees of five people can be chosen from 20 men and 12 women such that each committee contains at least three women? (A) 75240 (B) 52492 (C) 41800 (D) 9900 Answer: B Explanation: We must choose at least 3 women, so we calculate the case of 3 women, […]
PAGES: 1 2 3 4 5 61. A context free grammar for L={w|n0(w)>n1(w)} is given by: (A) S→0|0S|1SS (B) S→0S|1S|0SS|1SS|0|1 (C) S→0|0S|1SS|S1S|SS1 (D) S→0S|1S|0|1 Answer: C 62. Given the following two statements: S1: If L1 and L2 are recursively enumerable languages over ∑, then L1⋃L2 and L1⋂L2 are also recursively […]
PAGES: 1 2 3 4 5 45. Requirements prioritization and negotiation belongs to: (A) Requirements validation (B) Requirements elicitation (C) Feasibility Study (D) Requirement reviews Answer: B 46. Adaptive maintenance is a maintenance which …………. (A) Correct errors that were not discovered till testing phase. (B) is carried out to […]