BCA-01/DCA-101
December Examination 2017
BCA Pt. I/DCA Examination
Introduction to Computer Science
Paper BCA-01/DCA-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.
ASCII stands for
What is analog signal?
In context of cryptography, what is meant by term 'Plain Text'.
What is search engine?
What is ISDN?
What are BCD codes?
Give two examples of optical storage device.
146
BCA-01/DCA-101 100 3 (P.T.O.)
BCA-01/DCA-101 100 3 (Contd.)
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(viii) What is utility of plotters?
What are internal DOS commands?
Give an example each of, application software and
system software.
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.
What are various applications of computers?
List advantages and disadvantages of GUI based operating
system and CUI based operating system.
Explain various levels of memory hierarchy.
Compare LAN, MAN and WAN.
Write a short note on antivirus software.
What are characteristics of good MIS?
Give a brief description of Joint Electronic Transaction.
Give a brief overview of following forms of electronic payment
systems.
BCA-01/DCA-101 100 3
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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) Describe in detail about following output devices:-
Monitors
Printers
Plotters
11) Explain various computer generations in details, specifying
technology used in each generation.
12) Give a brief description of following components of Windows
TASKBAR
TOOLBAR
WINDOWS EXPLORER
RECYCLE BIN
NETWORK NEIGHBORHOOD
13) Classfy computers based on
Size
Technology used
Purpose