Roll no ……..
Total No. of Questions : 13]
Total No. of Questions : 13]
PAPER ID A0218
BCA (Semester
-4th)
COMPUTER SYSTEM
ARCHTECTURE
BCA-403
Time :3 Hours
Instruction to Candidates:
1.
Section – A is compulsory.
2.
Attempt any Nine questions from section- B
Section
–A
1.
a.
Define the term instruction code.
b.
What information is there in DR, AC, IR and TR?
c.
What are register reference instructions?
d.
What are the major components of CPU?
e.
What is control word?
f.
Convert A*B+C*D into reverse polish notation
g.
What are the advantages and disadvantages of
three address instructions ?
h.
What is the task of MOV instruction?
i.
What is handshaking?
j.
Difference RAM and ROM
k.
What is the difference between multiprogramming
and timesharing systems?
l.
Define seek time and rotational latency time.
m. What
is the difference between logical address space and physical address space?
n.
Describe types of fragmentation.
o.
Define cache memory.
Section –B
2.
With the help of diagram explain stored program
organization.
3.
Explain the three basic computer instruction
formats.
4.
Explain instruction cycle in detail.
5.
What are the different operations performed on
stack explain in detail?
6.
What are addressing modes? Explain all types of
addressing modes?
7.
Differentiate control bus data bus and address
bus.
8.
Explain in detail memory mapped I/O and how it
differs from isolated I/O
9.
Explain the difference between programmed I/O
and interrupt initiated I/O
10.
Explain the memory hierarchy in computer system.
11.
Explain
ROM chip with the block diagram.
12.
What are the difference between magnetic tapes
and magnetic disks?
13.
Explain the address mapping using pages and why
the size of page is power of 2.
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