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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.
What are the various mechanisms for implementing I/O operations? a) Program controlled I/O b) Interrupts c) DMA
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When transferring one function to another, what is meant by the guest function? A pointer to a function can be passed to another function as an argument. This allows
#quinhydrone
design a FULL adder with two half adders and an or gate
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Where Virtual memory is used ? Ans. Virtual memory is utilized in all main commercial operating systems.
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