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problem 1)a) Describe general register machines and the instruction formats supported by them.

b)i) State block code technique.

ii) With the following exs, describe the corresponding addressing mode:

(a) MOV @#5000, R1

b) MOV (R2) +, R3

c) ADD #25, R1

d) LDA 0100 (X)

c) Briefly describe the unsigned binary multiplication with a neat block diagram and demonstrate the multiplication sequence for 7x6 using the same algorithm.

problem 2)a) Represent the following in IEEE 32 bit floating point format:

i) -25

ii) 1/9

iii) +32

iv) 1.5

b) Define:

i) Barrel shifter

ii) The Z(zero), N(negative) and V(overflow) flag registers

c) Describe the series-parallel approach by taking an ex of summation of four 3-bit operands, with a neat diagram.

problem 3) Describe the tasks performed by the control unit.

b) Build hardware to implement the following register transfers:

i) if X is even, then A= B OR C else A= B NAND C

ii) if X is zero, A= A+1 else A=A-1

Computer Engineering, Engineering

  • Category:- Computer Engineering
  • Reference No.:- M96525

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