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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.
#questi on.. How it works explain
Name various work processes of R/3 system? A) Dialog or Online (processes only one request at a time). B) Background (Started at a specific time) C) Update (primary or se
To calculate speed up performance various laws have been developed. These laws are discussed here. Amdahl's Law Remember, the speed up factor helps us in knowing the relat
The information in ROM is stored ? Ans. By the manufacturer throughout fabrication of the device.
Q. Find the Physical address of instruction? Value of Instruction Pointer and holding address of instruction = 1234h Value of code segment register (CS) = 448Ah Physical
Define exception. The term exception is used to transfer to any event that causes an interruption
Q. What do you mean by Prototype? A prototyping approach lay emphasis on the construction model of a system. Designing and building a scaled-down though functional version of a
What is Dynamic Modelling As you know that computer systems are built from the objects which respond to events. External events arrive at boundary of system; you understan
Explain the Resolution of an ADC. Ans. Resolution- It is the smallest possible change in input voltage the same as the fraction of percentage of the full s
The EFI community has formed an open source shell environment. Rather than booting directly into a full OS, on some executions, the user can boot to the EFI shell. The shell is an
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