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Computer Science · all questions

Computer Architecture
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The standard used in serial ports to facilitate communication is . . . . . . . .

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The DMA transfer is initiated by . . . . . . . .

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The LRU can be improved by providing a little randomness in the access.

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When an operand is stored in a register it is . . . . . . . .

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The flash memory modules designed to replace the functioning of a hard disk is . . . . . . . .

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The smallest entity of memory is called . . . . . . . .

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The assembler directive EQU, when used in the instruction: Sum EQU 200 does . . . . . . . .

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The usual implementation of the carry circuit involves . . . . . . . .

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The return address from the interrupt-service routine is stored on the . . . . . . . .

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PCI stands for . . . . . . . .

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The classification of BUSes into synchronous and asynchronous is based on . . . . . . . .

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. . . . . . . . is used to reset all the device controls to their startup state.

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The only draw back of using the early start protocol is . . . . . . . .

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The Bit extension of the register is denoted with the help of . . . . . . . . symbol.

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The code sent by the device in vectored interrupt is . . . . . . . . long.

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Interrupts form an important part of . . . . . . . . systems.

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The ARM processors don't support Byte addressability.

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. . . . . . . . register is used for the purpose of controlling the status of each interrupt request in parallel priority interrupt.

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All instructions in ARM are conditionally executed.

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For a 3 BUS architecture, is the below code correct for adding three numbers?
PCout, R = B, Marin, READ, Inc PC
WMFC
MDRout, R = B, IRin
R4outa, R5outb, Select A, ADD, R6in, End

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