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Explain in detail about Operating Systems (OS)
Operating system (OS) is a program which after being initially loaded into computer by a boot program, manages all the other applications/programs. On a PC, first program which runs is stored on a ROM chip. This program checks system hardware to make sure everything is functioning routinely. This checks CPU, memory and basic I/O systems (bios) for errors. If all is satisfactory, BIOS will activate disk drives. When hard drive is activated, OS is found in boot and is then loaded.
Explain Telephone hand set and it's working. A standard telephone set is consisted of a transmitter, electrical network and a receiver for equalization, connected circuitry to
Arithmetic Pipeline The complex arithmetic operations like floating point and multiplication operations use a lot of the time of the ALU. These operations can also be pipelined
Describe carry look-ahead adder? Ans: The input carry required by a stage is directly computed from carry signals obtained from all of the preceding stages i-1,i-2,.....0, rat
The Karnaugh map for a SOP function is given below in figure. Determine the simplified SOP Boolean expression. Ans. F= B'C' + A'C'D + B'D'
Q. What is Dot Pitch of a CRT? Dot Pitch of a CRT is the distance between phosphor dots of same colour. In Trinitron screens, the term Slot Pitch is used in place of Dot Pitch
what is hashing
Q. Library of functions of parallel virtual machine? PVM offers a library of functions libpvm3.a, that application programmer calls. Every function has some specific effect in
What are the different types of parameters? Formal Parameters: Parameters, which are described during the definition of subroutine with the FORM statement.
Q. Total number of registers in a CPU? Factors to consider when choosing total number of registers in a CPU are: CPU can access registers faster than it can access m
What is the prominence of RS232-C in serial communication? Name some application where you see its use. RS-232 stands for Recommend Standard number 232 and C is the latest re
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