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The I/O interface provides a technique for transferring information between external I/O devices and internal storage. Peripherals linked to a computer require special communication links for interfacing them with CPU. Objective of communication link is to resolve differences which exist between central computer and every peripheral. The key differences are:
To resolve these differences, computer systems include special hardware component between the CPU and peripherals to supervise and synchronize all input and output transfers. These components are called interface units because they interface between the processor bus and the peripheral device.
In the past there was a large gap between speed of a memory andprocessor. So a subroutine execution for an instruction for illustration floating point addition may have to follow a
What is a Deadlock? Deadlock is a situation, in that processes never complete executing and system resources are tied-up, preventing another job form starting. If the resou
Q. What do you mean by Linker? For modularity of your programs it is better to break your program in numerous sub routines. It's even better to put common routine such as read
Normal 0 false false false EN-US X-NONE X-NONE Figure: SIMD Organisation
What are the security aspects of SIP Visualizer
Describe in brief the history of E-Commerce. History of E-commerce. E-commerce started before personal computers were prevalent and has grown into a multi-billion d
Common channel signalling in SS7 is (A) out band control channel. (B) In band control channel. (C) Speech control channel. (D) None of the above. Ans:
Q. Show the liability of CPU in interrupt cycle? In the interrupt cycle the liability of CPU/Processor is to ensure whether any interrupts have happened checking presence of in
Q. Illustrate Master-Slave Flip-Flop? Master slave flip-flop comprise two flip-flops. One is master flip-flop and other one is known as slave flip-flop. Fig below shows impleme
Vector reduction Instructions When operations on vector are being decreased to scalar items as a result then these are vector reduction instructions. These instructions are ref
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