Roll No…..
Total No. of Questions: 13
J-3415[S-1271]
[2037]
MCA
(Sem.-1st)
INTRODUCTION TO I.T. (MCA-101)
Time: 3 Hrs. Max.
Marks: 75
Instruction to Candidates:
1. Section-A is Compulsory.
2. Attempt any Nine questions
from Section-B.
SECTION-A
Q1 . (a) Compute (1 0 1 1 1 1 1 0)2 + ( 1 0 0 1 1 0 0 1)2=
(………………..)2.
(b) What
is excess-3 code.
(c) What
is 2’s complement of (1 0 1 1 1 1 1 1 0)2?
(d) How
many bits are there in 1 kilo bytes?
(e) List
various classes of computers.
(f)
Write name of any four output devices.
(g) Name
any two devices based on magnetic media.
(h) What
are various layers in TCP/IP model?
(i) What
are various categories of programming in g languages?
(j) Name
various data communication devices attached with your computer.
(k) List
any four multi-user operating systems?
(l) What
are various computerized activities in banks?
(m) What
are the steps required for Internet chatting?
(n) What
is real time operating system?
(o) What
is TELNET?
SECTION-B
Q2. Explain various components of computer by using block diagram.
Q3. Convert the following:
(i)
(426)8= (………)16 (ii) (925.125)10= (………..)8
(iii) (1
0 1 1 0 1 0 1 )2= (…………..)16
Q4. Write a note on various generation of computers.
Q5. What is complement
scheme? Explain in terms of binary system. Is it applicable to other number
systems also?
Q6. Differentiate between
system software and application software. Give two examples of each.
Q7. Explain working of mouse.
Q8. Differentiate between assembly language and high level language.
Q9. Differentiate between
impact and non-impact printers. Give one
example of each.
Q10. Define network topology?
What are various topologies that can be used for network?
Q11. What is Internet? Discuss various services available on Internet?
Q12. Discuss applications of Information Technology in education &
research.
Q13. List any five operating systems.
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