PGDCA/MSCCS-01/MCA-101
December Examination 2017
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.
Define computer.
What do you mean by interpreter?
Differentiate between Random and Sequential access.
What do you mean by RAID?
What are unsigned and signed integers?
What is NAND Gate?
Write full form of ASCII.
(viii) What is kernel in operating system?
457
PGDCA/MSCCS-01/MCA-101 900 3 (P.T.O.)
PGDCA/MSCCS-01/MCA-101 900 3 (Contd.)
457
What is IPC?
What is deadline?
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.
Explain floating point representation of a number with suitable
example.
Write a short note on paging.
What are different types of logic gates.
What is modem? Draw its diagram and explain its types.
What are different types of video standards?
Differentiate between preemptive and non-preemptive
scheduling.
What is PCB? Explain in details.
Explain Inter Process Communication System.
457
PGDCA/MSCCS-01/MCA-101 900 3
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) Write five major activities of an operating system with regards
to file management system and explain various components of
O.S.
11) Write short notes on (Any two)
Paging
Segmentation
Disk Scheduling
Fragmentation
12) Explain MS-DOS? Explain all internal and external commands
of MS-DOS.
13) Convert following number systems
(101101001)2
(536)8
(A32)16
(432.86)10
(9BA)16
(773)8
(55.92)16
(viii) (11001.111)2
(514)10
(1001)10