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a) In multitasking Operating Systems, there are two types of multitasking such as the "Preemptive Multitasking" and the "Cooperative Multitasking". Describe the two mentioned multitasking type and give a reason which of the two is better.
b) Explain the four main functions of an operating system.
c) What is a modem and give two different kinds of modems.
d) There are several different types of threats concerning computer security. Explain two of such threats.
Advantages on electronic payment system It gives good security schemes. Four necessary security requirements for safe e-payments are Authentication, Encryption, Integrity,
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Q. Registers used in IA-64 architecture ? Registers: The IA-64 architecture comprises a very generous set of registers. It has an 82-bit floating point as well as 64-bit inte
How does an authentication system differ from a firewall in functioning? Authentication vs. firewall User Authentication and Authorization A significant advanced fi
Objectives After going through this unit, you will be able to : Tell historical facts of parallel computing; Can explain the essential concepts of the discipline, e.g.
How is Transaction Processing System affect performance of e-commerce sites? Transaction Processing System influences performance of e-commerce sites: Transaction-Processing
Handling Multiple Devices Interrupt Priority Continue to accept interrupt requests from higher priority components Disable interrupts from component at the sa
Explain the working of a demultiplexer with the help of an example. Ans: 1:4 Demultiplexer: Fig.(a) demonstrates the logic circuit of a 1:4 demultiplexer. This has two NOT
The logic circuit given below, converts a binary code y 1 y 2 y 3 into Ans. Gray code is X1 = Y1, X2 = Y1 XOR Y2 , X3 = Y1 XOR Y2 XOR Y3 For
What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why? Abstract classes are closely related to interfaces. They are classe
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