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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
Which is most general phase structured grammar? Context – Sensitive is most common phase structured grammar.
The enableEvents() method is used to enable an event for a certain object. Normally, an event is enabled when a listener is added to an object for a certain event. The enableEvents
Secret-key encryption is also called as Private encryption.
Nonvolatile Read Write Memory, also kown as Flash memory. It is also called as shadow RAM.
Which technique is an encryption technique? Ans. Block cipher technique and also Steam cipher technique is an encryption technique.
is a technique of temporarily removing inactive programs from the memory of computer system? Swapping is a technique of temporarily eliminating inactive programs from the memor
Q. Explain Programmer Visible Registers? These registers can be accessed employing machine language. In general we encounter four kinds of programmer visible registers.
File Attached
Q. What is the Concept of Lock? Locks are used for protected access of data in a shared variable system. There are numerous kinds of locks: 1) Binary Locks: These locks a
Compare pre-emptive and non-preemptive scheduling policies. We preempt the currently executing process in preemptive scheduling. In non-preemptive we permit the current process
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