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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.
What are privileged instructions? Some of the machine instructions that might cause harm to a system are designated as privileged instructions. The hardware permits the privil
In a single stage network: (A) There is no redundancy (B) There is redundancy (C) Alternative cross points are available (D) Alt
Implementing Protection with Virtual Memory - computer architecture: To enable the operating system to implement protection in the VM system, the HW have to: I. Support at
What is a heap? A complete binary tree, every of whose elements contains a value that is greater than or equal to the value of every of its children is known a Heap
Automatic typewriter : It is a power-driven machine, which automatically types a standard pro forma from a previously punched or stencilled master. When the master is placed on th
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A device which converts BCD to Seven Segment is called ? Ans. DECODER is a device that converts BCD to Seven Segment. This coverts binary words in alphanumeric characters.
What guarantees the integration of all application modules? The R/3 basis system guarantees the integration of all application modules. The R/3 basis s/w gives the run time e
Python is an interpreter, interactive, object-oriented programming language. It is frequently compared to Tcl, P e r l, Scheme or Java. Python combines remarkable power with v
Design a BCD to excess 3 code converter using minimum number of NAND gates. Hint: use k map techniques. Ans. Firstly we make the truth table: BCD no
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