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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.
Discuss the mount and unmount system calls. The privileged mount system call is used to join a file system to a directory of another file system; the unmount system call detach
The salient features of hyper threading are: i) Improved support for multi-threaded code, permitting multiple threads to run concurrently. ii) Response time and improved rea
Every input line of combinational circuit represents a specific element of the string let's say xi and every output line results in the form of a sorted list. In order to get the a
Difference between ipv4 and ipv6
Examples of declarations of external variables that are not definitions: extern char stack[10]; extern int stkptr; These declarations tell the compiler that the variab
In a memory hierarchy system, data and programs are first stored in secondary or auxiliary memory. Program and its related data are brought in main memory for execution. What if th
Q. Microcomputer - Controlled Breadmaking Machine? Figure shows a simplified schematic diagram of a microcomputer-controlled breadmaking machine. A microcomputer along with its
Q. Explain Disk Cartridges ? Disk Cartridges: Removable disk cartridges are an option to hard disk units as a form of secondary storage. Cartridge generally comprises one or
Q Why we use addressing schemes? An operation code of an instruction tells the operation to be performed. This operation is executed on some data stored in memory or register.
Give the format of Ethernet frame and explain the semantics of each field. An Ethernet frame starts with headers which have three fields. The 64-bit preamble, which precedes th
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