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Why do we need DMA?
DMA is used to transfer the block of data directly among an external device and the main memory without the continuous intervention by the processor.
Q. What is interrupt? How it is useful in controlling I/O operations. Q. Explain function of Color Graphics Adopter card and Diskette Drive Adopter Card.
Analysis: Basically, it is the process of determining what requirement to be done before how it should be done. In order to accomplish this, the developer shows the existing sy
Q. Instruction Queue in Bus Interface Unit? Instruction queue is employed to store the instruction ‘bytes' fetched. Please conceren two points here: that it's (1) A Byte (2) Qu
When a switch capacity is full, calls coming into that switch are said to be . (A) open (B) shorted (C) bloc
develop system engineering hirarcy for public health care?
what is memory paging
Name the 7400 series TTL chip which is a priority encoder. Write its truth table. Ans. Available IC in 74 series is 74147 that is a priority encoder. Such I
Device Drivers in UNIX, MS-DOS and Windows System Though device drivers are in effect add-on modules they are however considered to be part of system because they are closely i
Higher Order Predicate Logic: In first order predicate logic, we are allowed to quantify over objects only. If we let ourselves to quantify over predicate or function s
Although there are no compulsory "c" compiler for this subject, but the compiler we are going to use for this example is the Mingw32 compiler. Download the source code files fro
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