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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
What are the different ways in which a thread can be cancelled? Cancellation of a target thread may occur in two different scenarios: Asynchronous cancellation: One thre
Q. Explain XLAT instruction with help of example? Let's presume a table of hexadecimal characters signifying all 16 hexadecimal digits in table: HEXA DB '012345678
Commutatively of Connectives You will be aware from the fact that some arithmetic operators have a property that it does not matter which way around you give the operator input
What do you understand by Electronic Funds Transfer? Electronic Funds Transfer: It's an electronic payment method that transfers the money value from one bank account to
what is relationship among objects in software engineering??
what is an input?
The six several application of stack in computer application is: 1. Conversion of infix to postfix notation and vice versa. 2. Evaluation of arithmetic expression. 3.
Attributes are declarative tags in code that put in additional metadata into an assembly.
Q. Input output in assembly program? Software interrupt is a call to an Interrupt servicing program situated in the operating system. Generally the input-output routine in 8086
Static RAM: No refreshing, 6 to 8 MOS transistors are needed to form one memory cell, Information stored as voltage level in a flip flop. Dynamic RAM: Refreshed periodically, 3
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