Pages: 1 2 3 4 5 The number of strings of length of 4 that are generated by the regular expression (0|e)1+2*(3|e), where | is an alternatin characters, {+,*} are quantification characters, and e is the null string, is: (1) 08 (2) 10 (3) 11 (4) 12 answer is […]
Pages: 1 2 3 4 5 Condider the following binary search tree: If we remove the root node, which of the root from the left subtree will be the new root? (1) 11 (2) 12 (3) 13 (4) 16 answer is 4 Explanation: Consider the following operations performed on […]
Pages: 1 2 3 4 5 11. given i=0,j=1,k=-1 x=0.5,y=0.0 what is the output of the following expression in c language? x * y < i + j || k -1 0 1 2 answer is 3 12. the following satement in c int(*f())[ ]; declares a function returning a […]
UGC NET PREPARATION ON WHATSAPP GROUP JUST MESSAGE ON 94178-24400 “JOIN NET GROUP” COACHING FOR UGC NET AND GATE COMPUTER SCIENCE IN JALANDHAR BY IIT’ans. CALL 94178-24400 TUITIONS IN JALANDHAR FOR BCA MCA BSC BA PGDCA BCOM MCOM PROJECTS IN ASP PHP JAVA WEB DESIGNING AT LOW COST ALL SUBJECTS […]
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 41. Loop unrolling is a code optimization technique: (A) that avoids tests at every iteration of the loop (B) that improves performance by decreasing the number of instructions in a basic block. (C) that exchanges inner loops with outer loops (D) that reorders operations […]
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? […]