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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.
Q. Input output in assembly program? Software interrupt is a call to an Interrupt servicing program situated in the operating system. Generally the input-output routine in 8086
Q. Explain Real time system? A real time system defines an interactive processing system with severe time limitations. A real-time system is used whenever there are rigid time
What is meant by inferring latches, how to avoid it? Consider the following: always @(s1 or s0 or i0 or i1 or i2 or i3) case ({s1, s0}) 2'd0: out = i0; 2'd1: out =
a. What is the meaning of user interaction? What are the dissimilar styles in which forms of interaction can be classified? Give one advantage, disadvantage and an example of every
Vector-Memory Instructions When vector operations with memory M are carried out then these are vector-memory instructions. These instructions are referred with the subsequent f
TCP and UDP are both transport-level protocols. TCP is designed to give reliable statement across a variety of reliable and unreliable networks and internets. UDP gives a conne
Q. Origin of RISC? In the 1980s a new philosophy developed having optimizing compilers which could be used to compile 'normal' programming languages down to instructions which
Laptop computers Laptop computers have the obvious advantage over desk-top computers (PCs) in that they are fully portable. This is of specific value if a user wishes to do wor
In a DTMF phone, digits are represented by: (A) Orthogonal frequencies. (B) Orthogonal Phases. (C) Orthogonal codes. (D) Orthogonal pulses. Ans: Di
Q. Explain about Control Memory Organization? One of the simplest ways to organize control memory is to organize micro-instructions for different sub cycles of machine instruct
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