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Why do we need Registers?
If tcpu is cycle time of CPU which is the time taken by CPU to execute a well-defined micro-operation employing registers and tmem is memory cycle time which is the speed at which memory can be accessed by CPU then (tcpu/tmem) is in the range of 2 to 10 i.e. CPU is 2 - 10 times faster than memory. So CPU registersare the fastest temporary storage areas. So the instructions whose operands are stored in fast CPU registers can be executed fast in comparison to instructions whose operands are in main memory of a computer. Every instruction should designate the registers it will address. So a machine needs a large number of registers.
Figure: CPU with general register organisation
Q. Convention used to represent micro-operations? The convention used to represent micro-operations is: 1. Computer register names are designated by capital letters (someti
Execution of a program in CPU is completed employing different set of registers and their individual circuitry. As CPU registers are used for execution of interrupt service routine
Illustrate the Encryption and Decryption methods One of the best method of ensuring security is to change the form of communication. Let the messages be encoded in such a patte
The runqueue is the list of runnable processes on a given processor. There is only one runqueue per processor. Each runqueue contains two priority arrays: Active and Expired. Each
Update -task updates are Asynchronous updates.
The slowest sorting procedure is Bubble Sort is the slowest sorting process.
N number of XNOR gates is linked in series that is the N inputs (A0, A1, A2......) are specified in the subsequently way: A0 and A1 to first XNOR gate and A2 and O/P of First XNOR
Q. What is Indirect Addressing Mode explain? Indirect Addressing Mode In the indirect addressing modes operands employ registers to point to locations in memory. So it is
The following are the difference among Activity and Sequence Diagrams: A sequence diagram represents the way of processes implement in a sequence. For example, the order of op
Q. How to Access the Disk Data? Disks operate is semi-random mode of operation and generally referenced block wise. The data access time on a disk comprises two major component
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