PGDCA/MSCCS-01/MCA-101
December Examination 2016
MSCCS PGDCA /MCA I Year Examination
Computer Fundamental and System Software
Paper PGDCA/MSCCS-01/MCA-101
Time 3 Hours Max. Marks 100
Note: The question paper is divided into three sections B and C. Write answers as per given instructions.
Section A 10 × 2 20
(Very Short Answer Questions)
Note: Answer all questions. As per the nature of the question delimit your answer in one word, one sentence or maximum upto 30 words. Each question carries 2 marks.
Name some storage devices.
What is byte?
What do you mean by volatile memory?
Give two applications of bar codes.
Draw the logic symbol for inverter.
State de Morgan's theorem.
List the content of PCB (Process Control Block).
457
PGDCA/MSCCS-01/MCA-101 700 3 (P.T.O.)
PGDCA/MSCCS-01/MCA-101 700 3 (Contd.)
457
(viii) Explain Cd command in Linux.
What is i-node?
Suppose +6132.789 is a decimal number. Find its mantissa
and exponent part in floating point representation.
Section B 4 × 10 40
(Short Answer Questions)
Note: Answer any four questions. Each answer should not
exceed 200 words. Each question carries 10 marks.
Discuss the characteristics of computer.
Compare low level language and high level language with
example.
Write short note on Tracks, Sectors and Cylinder.
What is laser printer? Explain its working.
What is process? Describe various states of a process and
state transition.
What is critical section? Why process entry to critical section is
restricted? Explain.
What is disk scheduling? Explain main objectives of disk
scheduling.
What do you mean by fragmentation? Differentiate external
and internal fragmentation.
PGDCA/MSCCS-01/MCA-101 700 3
457
Section C 2 × 20 40
(Long Answer Questions)
Note: Answer any two questions. You have to delimit your each
answer maximum upto 500 words. Each question carries
20 marks.
10) What is threads? Explain advantages, types and issue related
to threading.
11) Discuss the advantages of Linux? How Linux handle the
users? Explain.
12) Explain the block diagram of computer. Also explain any three
input and output devices.
13) Write short note on the following:
Virtual memory
K-map.