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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.
What are the page headers for secondary lists? On secondary lists, the system does not show a standard page header and it does not trigger the event. TOP-OF-PAGE. To make page
if 2 forces are equal at an angle alpha between them - its resultant R and its direction
Non-Uniform Memory Access Model (NUMA) In shared memory multiprocessor systems, local memories are able to be connected with every processor. The collection of all local
Global variables are accessible only to the batch program while external variables can be referenced from any batch program residing in the similar system library.
Determine a program that is in execution is known as Program in execution is known as Process
The transport protocol used by TFTP (Trivial File Transfer Protocol) is? The transport protocol used through Trivial File Transfer Protocol is UDP.
How many logical drives is it possible to fit onto a physical disk? Ans) Maximum of 24 logical drives can be fit into physical disk. The extended partition can only have 23 lo
Device Drivers in UNIX, MS-DOS and Windows System Though device drivers are in effect add-on modules they are however considered to be part of system because they are closely i
What is meant by hotspots? A Hotspot is a list area where the mouse pointer appears as an upright hand symbol. When a user points to that area (and the hand cursor is active),
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
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