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Question
a) In multitasking Operating Systems, there are two kinds of multitasking such as the "Preemptive Multitasking" and the "Cooperative Multitasking". Explain the two mentioned multitasking type and give a reason which of the two is better.
b) Provide the four main functions of an operating system.
c) What is a modem and give two different types of modems.
d) There are many different types of threats concerning computer security. Explain two of such threats.
Prove the following Boolean identities using the laws of Boolean algebra: ABC + AB ‾C + ABC ‾ = A(B + C) Ans. ABC+AB'C+ABC'=A(B + C) LHS AC(B+B')+AB(C+C') OR AC+AB OR A(B
Explain SR Latch with NAND Gate? SR Latch has two useful states: Set state, when output Q=1 and Q'=0. Reset state, when output Q=0 and Q'=1.Output Qand Q' are normally
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
What are the properties which a data item should possess to implement a critical section? The Critical Section Problem Solution should satisfy the following conditions: 1.
What is Orientation- object-oriented technology There are many characteristics of object-oriented technology. A few of these characteristics have been discussed in cour
What is a multitape TM? A multi-tape Turing machine having of a finite control with k-tape heads and k-tapes each tape is infinite in both directions. On a one mov
The do while Loop This is very similar to the while loop except that the test occurs at the end of the loop body. This guarantees that the loop is executed at least once before
Assembler: Typically a modern assembler makes object code by translating assembly instruction into op codes, & by resolving symbolic names for memory locations and any other e
Task: Sets and bags In mathematics, the notion of multiset (or bag) is a generalisation of the notion of set. A bag is a special kind of container in which the items may be
Q. Explain about Theta Notation? Theta Θ Notation : The set Θ (g(n)) comprises all functions f(n) for that there exist positive constants c1,c2 such that f(n) is squeezed in b
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