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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.
Propositional truth tables: There {X\t} is a substitution that replaces all occurances of variable X with a term representing an object t as: ∀X. A is true if and only
1. Use the Web Site Scan verification point to check the content of your Web site with each revision and make sure that changes have not resulted in defects. 2. Use the Web Sit
Explain new services of CPU Based Exchange. These new services are termed as supplementary services and several of the prominent ones are given below as: Category 1:
Question 1: Spreadsheet packages are widely used in Business. a) Explain why spreadsheets are so useful. b) Spreadsheet files are sometimes saved for use by other software p
Execution: Now instruction is ready for execution. A different opcode will need different sequence of steps for execution. Hence let's discuss a few illustrations of execution of s
I/O devices need to be matched up to computer application. - Computer-aided design (graph plotters, large screens, etc.) - Virtual reality (data gloves, data goggles, etc.)
Super scalar architecture Pentium microprocessor is organized with three execution units. One executes floating-point instructions and other two (U-pipe and V-pipe) execute in
Define cache memory? A special very high speed memory known as a cache is sometimes used to increase the speed of processing by making current programs and data available to th
What is an encoder? Draw the logic circuit of Decimal to BCD encoder and explain its working. Ans. Encoder: It is a combinational logic circuit which converts alphanumeric ch
Phase - Thermodynamics: A phase is quantity of matter that is homogeneous throughout in chemical composition and physical structure. If the matter is all gas, all liquid or
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