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For my hardware & Software class (Explain completely why ) Describe the “branch” instruction in assembly...

For my hardware & Software class

(Explain completely why )

  1. Describe the “branch” instruction in assembly programming
  2. What is an interrupt?
  3. What is the special register in a CPU that holds the address of the next instruction?
  4. What is the difference between RISC and CISC?
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Answer #1

Branch instructions generally mentions a control flow methods and inform a computer for starting the instructions to execute when contrasted as just executing the instructions in sequence.

Interrupt : A Signal for processor released with hardware or software specifying an scenario which require instant scrutiny.

Memory Address Register (MAR) is the special register in a CPU that holds the address of the next instruction.i.e contains the address to memory unit.This MAR is often called as memory buffer register (MBR).

  RISC CISC

Duration of execution is shorter. Excessive
Memory unit is absent , contain a hardware for employing the instructions Memory unit - complex instructions
Calculations were quicker and high accurate Not quick and accurate.   
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