Comp Org And Architecture
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1256 B. E. 4th Semester (CSE) Examination, December-2006 COMPUTER ARCHITECTURE AND ORGANIZATION Paper-CSE-210 .. E Time allowed: 3 hours
Maximum marks: 100
Note: Attempt any five questions. All questions carry equal marks. 1.
(a) Define the term register. Design a 4-bit bidirectional shift register with parallel load.
10
(b) Draw the logic diagram and truth table for full adder. 10 2.
(a) What do you mean by Instruction Set Architecture (ISA) ? How it affects the design of a computer system? (b) Briefly discuss the stored program concept.
3.
10
(a) What are the advantages and disadvantages of fixed and variable instruction formats?
6
(b) What are the advantages {tffered by complex instruction set computers? (c) Discuss the following addressing modes briefly: (i)
Relative addressing modes.
(ii) Indirect addressing modes.
6
10
(2)
4.
(a)
How a computer instruction is executed ? Draw the instruction cycle.
(b)
(a)
10
Compare the characteristics of static and dynamic RAM.
(b)
10
What is control unit? Discuss any two methods briefly for implementation of control unit.
5.
1256
5
What is the design principle for cache memory ? Discuss the following cache mapping scheme:
6.
(a)
(i)
Direct cache mapping ,
(ii)
Associative cache mapping.
What are the design issues for multiprocessor computer systemS ?
(b)
(a)
10
What are the various types of interrupts supported by 80 x 86 family?
(b)
10
How you can enhance the throughput of a computer system? Give suitable example.
7.
15
10
Give three examples with brief description of the following: (i)
Register reference instruction
(ii)
Memory reference instruction
(ill) I/O instructions for 80 x 86 family.
8.
(a)
Draw the block diagram and briefly explain the microprogramsequence~
(b)
10
10
Briefly discuss the Flynn's classification of digital computer.
1256 1256-p-2-Q-8 (06)
10
Maximum marks: 100
Note: Attempt any five questions. All questions carry equal marks. 1.
(a) Define the term register. Design a 4-bit bidirectional shift register with parallel load.
10
(b) Draw the logic diagram and truth table for full adder. 10 2.
(a) What do you mean by Instruction Set Architecture (ISA) ? How it affects the design of a computer system? (b) Briefly discuss the stored program concept.
3.
10
(a) What are the advantages and disadvantages of fixed and variable instruction formats?
6
(b) What are the advantages {tffered by complex instruction set computers? (c) Discuss the following addressing modes briefly: (i)
Relative addressing modes.
(ii) Indirect addressing modes.
6
10
(2)
4.
(a)
How a computer instruction is executed ? Draw the instruction cycle.
(b)
(a)
10
Compare the characteristics of static and dynamic RAM.
(b)
10
What is control unit? Discuss any two methods briefly for implementation of control unit.
5.
1256
5
What is the design principle for cache memory ? Discuss the following cache mapping scheme:
6.
(a)
(i)
Direct cache mapping ,
(ii)
Associative cache mapping.
What are the design issues for multiprocessor computer systemS ?
(b)
(a)
10
What are the various types of interrupts supported by 80 x 86 family?
(b)
10
How you can enhance the throughput of a computer system? Give suitable example.
7.
15
10
Give three examples with brief description of the following: (i)
Register reference instruction
(ii)
Memory reference instruction
(ill) I/O instructions for 80 x 86 family.
8.
(a)
Draw the block diagram and briefly explain the microprogramsequence~
(b)
10
10
Briefly discuss the Flynn's classification of digital computer.
1256 1256-p-2-Q-8 (06)
10
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