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All components of computer communicate with processor by the system bus. Which means I/O devices required to be attached to system bus. But I/O devices aren't connected directly to computer's system bus. In its place they are attached to an intermediate electronic device interface known as a device controller that in turn is attached to system bus. Therefore a device controller is an interface between a system bus and an I/O device. On one side it knows how to communicate with I/O device associated to it and on the other it knows how to communicate with computer's CPU or processor and memory via the system bus.
Q. What is Gate? Explain Basic gates with truth table and necessary circuits. Q. Which gates are called Universal Gates? Why? Q. Give the Dual of the rule 17. Q. Realize
Question: (a) There are several camera angles that can be used to make a sequence more interesting for a video production project. Explain clearly, using diagrams where appro
Write about TSR TPA also holds TSR (terminate and stay resident) programs which remain in memory in an active state until activated by a hot-key sequence or another event like
Consider the following page reference and reference time strings for a program: Page reference string: 5,4,3,2,1,4,3,5,4,3,2,1,5,..... Show how pages will be allocated using t
a. Activity diagram: Activity diagram is used for functional modelling. Captures the process flow. b. Sequence diagram : Sequence diagram is used for dynamic modeling.
Q. What about division and multiply operations? In most of the older computers divisions and multiply were implemented using subtract/add and shift micro-operations. If a digit
write an algorithm on railway reservation ticket window
Differentiate between linear addressing and matrix addressing modes with examples. Ans: Linear Addressing: Addressing is the procedure of selecting one of the cells in a
In a two stage network there are 512 inlets and outlets, r=s=24. If the probability that a given inlet is active is 0.8, calculate: the switching elements Given: N =M =512,
In a virtual memory system, the addresses used by the programmer refers to (A) Memory space. (B) Physical addresses. (C) Address space. (D) M
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