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What is Expansion swap?
At the time when any process needs more memory than it is currently allocated, the Kernel performs Expansion swap. To do this Kernel reserves enough space in the swap device. Then the address translation mapping is adjusted for the new virtual address space but the physical memory is not allocated. At last Kernel changes the process into the assigned space in the swap device. Later when the Kernel swaps the process into the main memory this allocates memory according to the new address translation mapping.
Differentiate concurrent and parallel executions ? The words "parallel "and "concurrent" are often used interchangeably, however they are different. Parallel execution is connec
Q. Introduction to the Operating System? An Operating system is software that creates a relation between the User, Hardware and Software. It is an interface between the all.
Describe language processing activities? There are two different kinds of language processing activities: a. Program generation activities b. Program execution activities
SMTP Simple Mail Transfer Protocol, a protocol for sending e-mail messages among servers. Most e-mail systems that send mail over the Internet use SMTP to send messages from si
advantages and disadvantages of northwest corner method and least cost method
Explain Star topology. A network utilizes a star topology if each computer attach to a central point. The following figure demonstrates the concept: Star Topology
Q. What is Dot Pitch of a CRT? Dot Pitch of a CRT is the distance between phosphor dots of same colour. In Trinitron screens, the term Slot Pitch is used in place of Dot Pitch
Intranets are mainly "small" Internets. They use same network facilities that Internet does, though access is restricted to a limited sphere. For example, a company can set up an i
Discuss the WAP stack in brief. The protocol stacks part implemented by WAP Stack for the WAP development and research platform. The protocol stack will be exploited into many
Define macros. A macro is a pre-processor directive which is a program that processes the source code before it passes by the compiler. These are placed in the source program
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