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Q. Explain about Barrier?
Barrier: No actual transfer of data takes place in this mode unless all the processors involved in the communication execute a particular block, called barrier block, in their message passing program.
Q. Define COM Programs? A COM (Command) program is binary image of a machine language program. It is loaded in memory at the lowest available segment address. Program code star
BIOS or Basic Input/Output System is the first program accessed by the processor during start up to make sure that all the other basic programs, hard drives, ports, peripherals and
area under curve
Explain the meaning of LISTEN socket primitive The listen Primitive: After identifying a protocol port a server should instruct the operating system to place a socket
Name the 7400 series TTL chip which is a priority encoder. Write its truth table. Ans. Available IC in 74 series is 74147 that is a priority encoder. Such I
What is index register? In index mode the effective address of the operand is formed by adding a constant value to the contents of a register. The register used might be either
What is the need of a hybrid in telephone networks? Digital exchanges need receive and transmit signals upon separate two-wire circuits. It calls for two-wire to four-wire con
Divide overflow is generated when (A) Sign of the dividend is dissimilar from that of divisor. (B) Sign of the dividend is same as that of divisor. (C) The first part
iconic model problem
Q. What is disk access time? The disk access time has two key components: Seek Time: Seek time is the time for disk arm to move heads to the cylinder comprising the desi
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