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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.
Register Addressing mode - computer architecture: Register Addressing: Register addressing mode is same to direct addressing. Only difference in between is that the addre
RAM: Read / Write memory, High Speed, Volatile Memory. ROM: Read only memory, Low Speed, Non Voliate Memory. RAM- Random Access memory it is a Volatile Memory. volatil
This is a high-level matrix/array language with control flow statements, functions, data structures, input/output, and object-oriented programming features. It permits both "progra
Prove the following Boolean identities using the laws of Boolean algebra (A + B)(A + C) = A + BC Ans. (A+B)(A+C)=A+BC LHS AA+AC+AB+BC=A+AC+AB+BC OR A((C+1)+A(B+1))+BC
Page fault frequency in an operating system is reduced when the? When locality of reference is appropriate to the process so Page fault frequency in an operating system is redu
What is a Size Category? The Size category verifies the probable space needs of the table in the database.
Arithmetic Pipeline The complex arithmetic operations like floating point and multiplication operations use a lot of the time of the ALU. These operations can also be pipelined
What is the File-system security Most commercial servers use a powerful operating system as base that provides good methods of file-system security. Some servers require additi
Q. Explain FORM and INPUT Tag? A good way to learn about forms is to make use your notepad editor and make a new HTML document. Save it as form1.htm in some folder somewhere. Y
Explain Time Switching. Time Switches: The principle of a time switch is demonstrated in figure. This connects an incoming n channel PCM highway to an outgoing n channel PC
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