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Explain in detail about Operating Systems (OS)
Operating system (OS) is a program which after being initially loaded into computer by a boot program, manages all the other applications/programs. On a PC, first program which runs is stored on a ROM chip. This program checks system hardware to make sure everything is functioning routinely. This checks CPU, memory and basic I/O systems (bios) for errors. If all is satisfactory, BIOS will activate disk drives. When hard drive is activated, OS is found in boot and is then loaded.
Determine about the Security methods Security methods also protect information from accidental or intentional modification, manipulation or destruction. Most security experts o
What is cache memory? It is a small, fast memory that is inserted among large, slower main memory and the processor. It decreases the memory access time
Which is not a key piece of information, stored in single page table entry, assuming pure paging and virtual memory Ans. A reference for the disk block which stores the page is
State the features of Pentium series of microprocessors: Pentium is a 32-bit superscalar, CISC microprocessor. The term superscalar is used for processor that contains more th
Explain about Behavioral Notations These notations contain dynamic elements of the model. Their elements comprise interaction and the state machine. It also comprise classe
import java.util.Scanner; class AddNumbers { public static void main(String args[]) { int x, y, z; System.out.println("Enter two integers to calculate their sum
Define the term package- object oriented modeling A package is a common purpose mechanism for organising elements into groups. Package can also contain other packages. The no
Question: Logical User-Centered Interactive Design Methodology is a methodology that identifies six clear stages to help in software development while keeping the user in mind.
Reprography: Reprography, as a term, has gained international recognition in 1963. It includes "photocopying , microcopying, duplicating and in-plant printing and is character
Differentiate between logical address and physical address. A logical address is the address of the data word or instruction as used by a program (it includes the use of base
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