Exam Details
| Subject | introduction to computer science | |
| Paper | ||
| Exam / Course | b.c.a | |
| Department | ||
| Organization | Vardhaman Mahaveer Open University | |
| Position | ||
| Exam Date | December, 2016 | |
| City, State | rajasthan, kota |
Question Paper
BCA-01/DCA-101
December Examination 2016
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.
Give an example each of, application software and system software.
What are impact and non-impact printers?
What do you mean by magneto-optical storage?
What is a process?
What are internal DOS commands?
What is analog signal?
What is ISDN?
146
BCA-01/DCA-101 300 3 (P.T.O.)
BCA-01/DCA-101 300 3 (Contd.)
146
(viii) What is web browser? Give an example of web browser.
In context of cryptography, what is meant by term 'Plain
Text'.
List two advantages of E-Commerce.
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 security threats to e-commerce?
What are characteristics of good MIS?
Explain the concept of digital signature.
Write a short note on antivirus software.
Compare LAN, MAN and WAN.
What advantages and disadvantages do operating systems
supporting GUI (like Windows), have over CUI operating
systems (like
Explain various memory management algorithms.
Explain various levels of memory hierarchy.
BCA-01/DCA-101 300 3
146
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) Explain various computer generations in detail, specifying
technology used in each generation.
11) Give a brief overview of following computer codes:
ASCII
BCD
EBCDIC
8421
12) Explain various types of operating systems with their key
features.
13) What is meant by 'Data Encoding'? Give a brief overview of:
Encoding of digital data into digital signals.
Encoding of digital data into analog signals.
Encoding of analog data into digital signals (Pulse Code
Modulation and Delta Modulation)
Encoding analog data into analog signals.
December Examination 2016
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.
Give an example each of, application software and system software.
What are impact and non-impact printers?
What do you mean by magneto-optical storage?
What is a process?
What are internal DOS commands?
What is analog signal?
What is ISDN?
146
BCA-01/DCA-101 300 3 (P.T.O.)
BCA-01/DCA-101 300 3 (Contd.)
146
(viii) What is web browser? Give an example of web browser.
In context of cryptography, what is meant by term 'Plain
Text'.
List two advantages of E-Commerce.
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 security threats to e-commerce?
What are characteristics of good MIS?
Explain the concept of digital signature.
Write a short note on antivirus software.
Compare LAN, MAN and WAN.
What advantages and disadvantages do operating systems
supporting GUI (like Windows), have over CUI operating
systems (like
Explain various memory management algorithms.
Explain various levels of memory hierarchy.
BCA-01/DCA-101 300 3
146
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) Explain various computer generations in detail, specifying
technology used in each generation.
11) Give a brief overview of following computer codes:
ASCII
BCD
EBCDIC
8421
12) Explain various types of operating systems with their key
features.
13) What is meant by 'Data Encoding'? Give a brief overview of:
Encoding of digital data into digital signals.
Encoding of digital data into analog signals.
Encoding of analog data into digital signals (Pulse Code
Modulation and Delta Modulation)
Encoding analog data into analog signals.
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