Dec 2014
Bachelor of Computer Applications (BCA) Examination
V Semester
(Computer Organisation and Architecture)
Time 3 Hours] [Max. Marks 40
Note : Attempt all questions.
1. (a) What is the difference between Computer Organization and Architecture ?
(b) What do you mean by Bus ? Write various features of PCI.
(a) Write various characteristics of 4th generation computer.
(b) Write various basic components of a computer and describe them in brief.
2. (a) What is the requirement of creating memory hierarchy ? Explain in brief.
(b) What do you mean by RAID ? Explain.
(a) What do you mean by Cache ? Explain direct mapped associatively in cache.
(b) What is the difference between Magnetic Disk and Magnetic Tap ? Explain working of magnetic tap.
3. (a) Write various basic operations that should be included in an instruction set. Explain them with
an example.
(b) What do you mean by Instruction Pipelining ? How pipelining improves system performance ?
(a) Write an assembly language program to count number of one's in a given data byte.
(b) Write various features of a register based processor organization.
4. (a) Show the hardwired implementation of ALU. Explain it in brief.
(b) What are the basic steps for executing an instruction ?
Show the sequence of micro instruction for executing instruction MOV (r1), (r2).