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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.
Explain Garbage collection In this method two passes are made over the memory to identify new areas. In the first pass it traverses all pointers pointing to allocated areas an
Define the Identifiers of c language? In C the names of the functions, variables and arrays and various other user - defined items are called identifiers. The first character o
Have you heard about e-commerce? What place is e-commerce located at? What are e-commerce objectives? When did e-commerce starts? How e-commerce works? Who takes advantages of e-co
How would you implement each in a class design? Ans) A specialized class "is" a specialization of another class and, thus, has the ISA relationship with the other class. An Em
different types of buses with diagram
Q. Show the foundation of ALU design? The foundation of ALU design starts with micro-operation implementation. Thus let's first explain how bus can be used for Data transfer m
E ngaged tone is generated in the: (A) Telephone instrument of calling subscriber (B) Telephone instrument of called subscriber (C) Exchange (D) Repeater
Q. Explain about Instruction Register and Flags? The Instruction Register: It comprises the operation code (opcode) and addressing mode bits of the instruction. It assists in
Explain the violating basic security principles There are drawbacks to permitting users to access the Intranet as well as not permitting them. A simple consideration such as a
Q. Explain about Synchronous DRAM? One of the most broadly used forms of DRAM is synchronous DRAM (SDRAM). Unlike the conventional DRAM that is asynchronous SDRAM exchanges dat
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