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Describe about the role of bitmap indexes to solve aggregation problems?
Ans) Bitmaps are very useful in begin schema to join large databases to small databases. Answer queries and bit arrays are used to do logical operations on the databases. Bit map indexes are very well-organized in handling Gender differentiation; also repetitive tasks are performed with much larger efficiency.
Q. Binary number system using 8 bit registers? Add 25 and -30 in binary number system using 8 bit registers using: Signed magnitude representation Signed 1's comple
Which of the memories stores the most number of bits ? Ans. 5Mx8 = 5 x 220 x 8 = 40M (max).
What is synchronous transmission? In synchronous transmission the two units share a common frequency and bits are transmitted continuously at the rate dictated by clock pulses
reate a directory "Unix" under your home directory. Command(s): ………………………………………….
I''m seeking a challenging professional working position in the field of Information Technology,where I’ll be given the chance to enhance & expand the skills & experience
E-Cash: E-cash is cash shown by two models. One is the on-line form of e-cash (introduced by DigiCash) which permits for the completion of all types of internet transactions.
1. Write the function makegrid. This function accepts a width and height and creates a grid/matrix of cells. The width gives the number of columns and the height the number of rows
Q. Define Wide Area Network? Wide Area Network (WAN): It takes a large geographical area and frequently owned by a state. Data transfer rate is low (few KBPS to 10 MBPS) and er
Explain Garbage collection In this method two passes are made over the memory to identify new areas. In the first pass it traverses all pointers pointing to allocated areas an
Network for Digital Methods in the Arts and Humanities: Europe has seen a signifi cant investment in the digitisation of its cultural heritage as part of the worldwide establi
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