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Why does DMA have priority over the CPU when both request a memory transfer?
The data transfer monitored by DMA controller which is called as DMA channel. The CPU is included only at the starting and end of the transfer, when the CPU wishes to read or write a block of data, it issues a command to DMA Channel by sending read/write operation, address of I/O, number of words to be read or written, as DMA have priority over the CPU when both request a memory transfer.
What is meant by common control? In several switching systems, the control subsystem may be an integral part of the switching network itself. This system is termed as direct co
TII stands for? Ans. TII stands for Table of incomplete instructions.
What is micro programmed control? Micro programmed control is a scheme in which control signals are formed by a program same to machine language program.
Show that a positive logic NAND gate is equivalent to negative logic NOR gate. Ans: Positive logic denotes True or 1 with a high voltage and False or 0 with a low volt
Explain deadlock detection algorithm for single instance of each resource type. For single instance of each resource type the deadlock detection algorithm: (i) Maintain a wa
How is the command Suppress-Dialog useful? Suppressing whole screens is possible using this command. This command permits us to perform screen processing "in the background".
Rigging is use for if we need to give animation for any object or character then we apply to character or object internal bone setting(like our bones).that is known as rigging. Whe
Q. Explain about Micro-instruction Formats? Now let's focus on format of a micro-instruction. The two widely used formats employed for micro-instructions are vertical and horiz
Q. Explain the Instruction Decode? Instruction Decode: This phase is performed under control of Control Unit of computer. The Control Unit determines the operation which is t
Differentiate between AT and XT computer system? Ans XT -> Extended and AT->Advanced Technology Some differences between PC and XT include the type of power supply initia
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