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Q. Explain about Instruction Register and Flags?
The Instruction Register: It comprises the operation code (opcode) and addressing mode bits of the instruction. It assists in determining the numerous cycles to be performed and hence determines related micro-operations that are required to be performed.
Flags: Flags are used by CU for determining the status of CPU and the results of a previous ALU operation. For illustration a zero flag if set conveys to control unit that for instruction ISZ (skip subsequent instruction if zero flag is set) the next instruction has to be skipped.
Communications Parallel tasks classically need to exchange data. There are many ways in which this can be accomplished, such as, through a network or shared memory bus. The act
What is a microform? This is the collective term for all micro images kepted on a wide range of microfilm media, like roll film, fiche, aperture cards, strip or jackets.
Explain 100 line exchange with two-motion line finders. Design: In such design, here are 24 line finders. When any of the 100 subscribers has to find access to any of the 24
Define lazy swapper. Rather than swapping the whole process into main memory, a lazy swapper is used. A lazy swapper never swaps a page into memory unless that page will be re
a. Explain the meaning of frame buffer? Draw a block diagram showing the method for scanning out an image from frame buffer to display surface. b. Explain the structure of plasm
Hyper cube or multidimensional cube forms the core of OLAP system. This having of measures which are arranged according to dimensions. Hyper cube Meta data is formed by star or sno
Adavantages and disadvantages of compilers and interpreters
Define the term Electronic Cheques in briefly. The other mechanism for Internet payment is electronic cheques. Along with electronic cheques, there payer (either a business or
Indirect addressing mode - assembly language: The Indirect addressing mode and the address field of the instruction refers to the address of a word in memory, which in turn co
Explain briefly Loop-invariant code motion of the commonly used code optimization techniques. Loop-invariant code motion If a quantity is calculated inside a loop duri
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