Punjab Technical University 2007 Bachelor of Computer Science (B Level) Computer Architecture - Question Paper

Computer Architecture
(B.Tech third Semester)
Time : three Hours Maximum Marks : 60
Instruction to candidates:
1) part –A is compulsory.
2) Attempt any 4 ques. from section-B
3) Attempt any 2 ques. from section-C



part -A
Q1) (marks 10*2=20)
Attempt any ten parts :
(a) What is difference ranging from a RAM and ROM ?
(b) What is the difference ranging from Machine Language and Assembly Language ?
(c) Differentiate ranging from Risc and Cisc.
(d) Whay 2's complement method is used for representation of negative numbers ?
(e) Differentiate ranging from Programmed I/O and I/O mapped I/O.
(f) Differentiate ranging from Interpreter and Compiler.
(g) What do you understand by Interleaved DMA?
(h) What is a Stack? List its applications.
(i) How pipeline helps in a faster execution of an Instruction?
(j) List different methods of data transfer.
(k) Differentiate ranging from Push operation and POP operation in a stack.
(l) What is Multiprogramming?

Section-B Marks:5 every
2. Draw the block diagram of a computer and discuss the function of every block.
3. Determine the methods to handle branches in a pipeline instruction execution unit.
4. elaborate the essential components of a multiprogramming system? discuss.
5. Write an algorithm for multiplication of 2 unsigned numbers using shift and add method.
6. Write short notes on the following:
(a) Array Processor
(b) Memory Management Techniques.
7. elaborate the characteristics of a Good Instruction Format?

Section-C Marks: 10 every
8. discuss the instruction cycle, Machine cycle Interrupt cycle and Execute cycle.
9. explain different steps in the design of a control unit.
10. Design a micro programmed based processor to implement the division Algorithm.
11. What is a DMA scheme of Data Transfer? explain its operating principle. What is a burst mode of data
transfer and cycle stealing mode of data transfer?

Earning:   Approval pending.