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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
A communication protocol is an agreement which specifies a common language two computers use to exchange messages. For instance, a protocol specifies exact format and meaning of ev
Illustrate how 74147 series TTL can be used as a decimal-to-BCD encoder. Ans. Available IC in 74 series is 74147 that is a priority encoder. Such IC has active low inp
Append query can be used if you would like to add new rows of data to an already active table. The process of making an append query follows these steps they are. ? Basic step
Using the memory map below; design an absolute decoding circuit. The technique is to spot the differences between the start and stop of each device. The Ram chip has the follow
Explain Non-Folded network Non-Folded Network: In a switching network, every inlet/outlet connection may be utilized for inter exchange transmission. In this case, the .excha
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Explain the raster scan monitors The refresh process must also be performed for raster scan monitors. Most television monitors are raster scan display devices : one scan-line a
Associative Memory Organisations The associative memory is organised in w words with b bits per word. In w x b array, every bit is known a cell. Each cell is made up of a flip-
Which digital logic family has minimum power dissipation ? Ans. The minimum power dissipation of digital logic family is CMOS. CMOS being an unipolar logic family, occupy a to
Q. What is Synchronous message passing? In Synchronous message passing is executed on synchronous communication network. In that case sender and receiver processes should be
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