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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.
Loosely Coupled Systems These systems do not distribute the global memory because shared memory concept gives rise to the difficulty of memory conflicts, which in turn slows d
How are devices represented in UNIX? All devices are shown by files called special files that are located in /dev directory. Therefore, device files and other files are named a
Circuits can be designed to implement a specifictaske.g. a simple circuit could compare two inputvoltages and give a high output if they matched anda low output if they did not mat
Q. What is Flash Memory? This memory is other form of semiconductor memory that was first introduced in mid-1980. These memories can be reprogrammed at high speed and therefo
What is the Main difference between ASP and ASP.NET ? ASP contains scripts which are not compiled while in ASP.net the code is compiled.
Q. Illustrate Internal Organisation of RAM? The construction displayed in Figure below is made up of one JK flip-flop and 3 AND gates. The two inputs to system are one input bi
how it is calculated?
Answering Systems / Database Query There are a large number of opportunities for get faster through parallelizing a Database Management System (DBMS). However, the actual purpo
How Race Around Condition can be avoided? Ans: The race around condition can be avoided if 1. Duration of clock pulse being high is small like comparative to the dela
Machine Centred versus human Centred The discussion here is based on the difference in approach to the design of the work system when we prioritise either the needs of the mac
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