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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.
Blue Sky events is an organisation that devices and runs large outdoor events. They have been commissioned to organise and run an event for four months over the summer period in a
Q. Reduce following to minimum literals and derive their complements. 1. [(AB)'A][(AB)'B] 2. ABC(ABC' + AB'C + A'BC) 3. (A+C+D) (A+C+D') (A+C'+D)(A+D')
Q. Describe target processor arrangements? Having seen how to describe one or more target processor arrangements we need to initiate mechanisms for distributing data arrays ove
Resource Dependence The parallelism among the instructions may also be affected because of the shared resources. If two instructions are using the related shared resource t
Laptop computers Laptop computers have the obvious advantage over desk-top computers (PCs) in that they are fully portable. This is of specific value if a user wishes to do wor
Give the circuit of a TTL NAND gate and explain its operation in brief. Ans: Operation of TTL NAND Gate: Fig.(d) Demonstrates a TTL NAND gate with a totem pole output.
is data bus is bidirectional
Paging supervisor: This part of the operating system built and manages the page tables. If the due to dynamic address translation hardware a page fault occurs exception then
Explain the term- Variables - Variables are used for local storage of data - Variables are usually not available to multiple processes and components. - Variables would
What are the advantages and disadvantages of packet switching over circuit switching? The comparison of packet switching and circuit switching demonstrating advantages and disa
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