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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.
Is the ROM a volatile memory? Explain Ans. No, ROM is a Non-Volatile memory. Programming of ROM includes making of the needed interconnections at the time of fabrication and
what persistance shouold i use
Define the Information System Growing sophistication in products and markets is driving the organisational requirement for increasing amounts of information. This req
Convert 2222 in Hexadecimal number ? Ans. = 8AE
Problem: (a) IEEE802.11 supports two types of network architecture, describe these architectures with the support of diagrams detailing the network components. (b) The MAC
What are controls? How to use them? Give examples for control. Controls are objects that can be placed in a form. The dissimilar controls are available in the Tool Box. After
Business Software Business information processing is the biggest single software application area. Discrete "systems" (e.g., payroll accounts receivable/payable
Types of Structure Charts Transaction structure - control module calls subordinate modules, each of which handles a certain transaction More afferent processes Le
What are the criteria for choosing a process for swapping into memory from the swap device? The resident time of the processes in the change device, the priority of the process
reate a directory "Unix" under your home directory. Command(s): ………………………………………….
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