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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 is an unsigned integer constant? An integer constant is the number in the range of - 32768 to + 32767; because an integer constant always gets two bytes in memory and in t
The various memory allocation functions are described below: (i) malloc( ) : It is a memory allocation function that assigns requested size of bytes and returns a pointer to t
Q. Explain XNOR gate with three input variable and draw necessary circuits. Q. Simplify FOLLOWING Using K-Map 1. m0 + m1 + m6 + m7 + m12 + m13 + m8 + m9 2. m0 + m2 + m4 +
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what is depth buffer algorithm?
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define conceptual schema
Q. Define Wilkes Control Unit? Prof. M. V. Wilkes of the Cambridge University Mathematical Laboratory invented the term microprogramming in 1951. He offered a systematic altern
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