Punjab Technical University 2008 B.C.A Computer Application Information technology - Question Paper

BCA (Sem- 1st)
INTRODUCTION TO info TECHNOLOGY
part - A
Ql) Convert the subsequent Decimal to hexadecimal system
a) 54977
b) 41819

b) What is the difference ranging from supercomputer and mainframe computers?
c) describe seek time and latency time in a hard disk access.
d) What is asynchronous and synchronous transmission?
e) Why is virtual memory used in operating systems?
f) What is a ring to pology in LAN?
g) elaborate the system files needed for booting in DOS?
h) What does the subsequent dose command do?
i) C:\> COPY \AAA\FILE?.* C:\
ii) C:\> PROMPT $P$G

i) Multiprogramming increases CPU utilization.Explain?
j) What is hexadecimal and Binary Number System?

part - B

Q2) discuss the components of a computer using a block diagram.

Q3) discuss the construction and working of floppy disk drive.

Q4) What is multiplexing? discuss tire division multiplexing and data communication.

Q5) discuss the various kind of network topologies.

Q6) define different functions of an Operating system?

Q7) discuss multiprogramming and multiprocessing.

Earning:   Approval pending.