Looking for old question papers of B.Tech CSE / IT of Himachal Pradesh University ? You can here easily get previous year 2008 question paper of this university for the subject named Computer Organisation. Download the contents of Computer Organisation in text format supplied under.
HPU Question Paper
COMPUTER ORGANISATION
(CSE/TT)
Paper : IT(ID)-3001
Q.P Code: 5920
Exam Year : 2008
Note : Attempt five questions in all, selecting one each from Sections.A, B, C and D. Section E is compulsory.
SECTION-A
1. a) What is Combinational logic circuit ? How is it different
from Sequential logic circuit ? 5
b) Define Instruction cycle. Discuss memory reference
instruction alongwith the flow chart. 10
2. (a) What is a Karnaugh map (K-map) ? Explain its significance. Simplify the Boolean function using K-map.
F(A, B, C, D) = K0, 1, 2, 4, 5, 7, 11, 15). 10
(b) How many 128 x 8 memory chips are needed to provide
a memory capacity of 4096 x 16 ? 5
SECTION-B
3. (a) Explain the difference between hardwired control and micro programmed control. Is it possible to have a hardwired control associated with a control memory ?
10
(b) Define the following :
(i) Micro operation.
(ii) Micro instruction.
(iii) Micro code. 1+2+2=5
4. Draw a flow chart and explain Booth's multiplication
algorithm to multiply two signed numbers. 15
SECTION-C
5. (a) What are the basic differences between Branch
instruction, Call subroutine instruction and Program
interrupt ? 5
b) Define Interrupt. Give five examples of external interrupts and five examples of internal interrupts. What is the difference between Software interrupt and Subroutine call ? 10
SECTION-D
7. Discuss Memory hierarchy in a computer system. Also state
memory device characteristics. 15
8. What is Cache memory ? Discuss various mapping
techniques for transformation of data from main memory to
Cache memory. 15
SECTION-E
9. Attempt all parts :
a) What is a flip-flop ? Give the truth table for JK flip-flop. 3
b) Name universal gates. Why are they called so ? 3
c) What is a full adder ? Discuss. 3
d) Discuss the characteristics of RISC ? 3
e) What is DMA ? 3
f) What is Virtual memory ? 2
g) Differentiate between RAM and SAM ? 3
h) What is Page replacement technique. 3
i) Differentiate between Multiplexer and Pemultiplexer. 3
j) Draw the ckt. of MOD 6 computers. 3
k) What are three address instructions ? 2
l) What is an Associative memory ? 2
m) Draw the circuit diagram for Shift register. 2
n) Define Encoder. 2
o) Define Addressing mode. State their significance in computers. 3
HPU Question Paper
COMPUTER ORGANISATION
(CSE/TT)
Paper : IT(ID)-3001
Q.P Code: 5920
Exam Year : 2008
Note : Attempt five questions in all, selecting one each from Sections.A, B, C and D. Section E is compulsory.
SECTION-A
1. a) What is Combinational logic circuit ? How is it different
from Sequential logic circuit ? 5
b) Define Instruction cycle. Discuss memory reference
instruction alongwith the flow chart. 10
2. (a) What is a Karnaugh map (K-map) ? Explain its significance. Simplify the Boolean function using K-map.
F(A, B, C, D) = K0, 1, 2, 4, 5, 7, 11, 15). 10
(b) How many 128 x 8 memory chips are needed to provide
a memory capacity of 4096 x 16 ? 5
SECTION-B
3. (a) Explain the difference between hardwired control and micro programmed control. Is it possible to have a hardwired control associated with a control memory ?
10
(b) Define the following :
(i) Micro operation.
(ii) Micro instruction.
(iii) Micro code. 1+2+2=5
4. Draw a flow chart and explain Booth's multiplication
algorithm to multiply two signed numbers. 15
SECTION-C
5. (a) What are the basic differences between Branch
instruction, Call subroutine instruction and Program
interrupt ? 5
b) Define Interrupt. Give five examples of external interrupts and five examples of internal interrupts. What is the difference between Software interrupt and Subroutine call ? 10
SECTION-D
7. Discuss Memory hierarchy in a computer system. Also state
memory device characteristics. 15
8. What is Cache memory ? Discuss various mapping
techniques for transformation of data from main memory to
Cache memory. 15
SECTION-E
9. Attempt all parts :
a) What is a flip-flop ? Give the truth table for JK flip-flop. 3
b) Name universal gates. Why are they called so ? 3
c) What is a full adder ? Discuss. 3
d) Discuss the characteristics of RISC ? 3
e) What is DMA ? 3
f) What is Virtual memory ? 2
g) Differentiate between RAM and SAM ? 3
h) What is Page replacement technique. 3
i) Differentiate between Multiplexer and Pemultiplexer. 3
j) Draw the ckt. of MOD 6 computers. 3
k) What are three address instructions ? 2
l) What is an Associative memory ? 2
m) Draw the circuit diagram for Shift register. 2
n) Define Encoder. 2
o) Define Addressing mode. State their significance in computers. 3
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