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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.
In MS-DOS device drivers are installed and loaded dynamically it implies that they are loaded into memory when computer is started or re-booted and accessed by operating system as
Q. What is Microcomputers? Microcomputers have become a common part of everyday life. The cost ranging from a few hundred to about ten thousand dollars, today's 16- and 32-bi
Draw an expression tree for the string. f + (x+y) *((a+b)/(c-d)). Indicate the register requirement for each node and list out the evaluation order for the expression tree. For
Difficulties - canonical genetic algorithm: Therefore the first big problem we face whether designing an "AI" agent to perform a GA-style search is how to represent the soluti
Q. What is the working of Sound cards? Multimedia has become a very significant part of today's PC. Home user wants hear songs and watch movies. The Software developer hacking
Can you define a field without a data element? Yes. If you require specifying no data element and thus no domain for a field, you can enter data type and field length and a sh
Explain about unix file system architecture
Downcasting concept is the casting from a general to a more particular type, i.e. casting down the hierarchy in programming
Throughput of a system is? Ans. "Throughput" of a system is no. of programs processed by this per unit time.
The number and nature of registers is a major factor which distinguishes among computers. For illustration, Intel Pentium has about 32 registers. A number of these registers are sp
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