I/BCA/103 Student's Copy
Professional Course Examination, November 2018
1st Semester
BACHELOR OF COMPUTER APPLICATIONS
Course BCA-103
Introduction to Information Technology
Revised
Full Marks 75
Time 3 hours
PART A—OBJECTIVE
Marks 25
The figures in the margin indicate full marks for the questions
SECTION—A
Marks 15
Tick the correct answer in the brackets provided 1×10=10
1. What type of memory is volatile?
Cache
RAM
ROM
Hard drive
/361 1 Contd.
2. Main memory is also known as
auxiliary memory
primary memory
secondary memory
None of the above
3. A source program is the program written in which level language?
English
Symbolic
High level
Machine
4. What is the storage capacity of a floppy disk?
1·44 kilobytes
1·44 megabytes
144 bytes
144 gigabytes
I/BCA/103 2 Contd.
5. Which of the following is not a version of the Windows operating system
software for the PC?
95
98
Linux
ME
6. What is operating system?
Collection of programs that manages hardware resources
System service provider to the application programs
Link to interface the hardware and application programs
All of the above
7. is a set of connecting links between LANs.
CAN
WAN
CLAN
MAN
I/BCA/103 3 Contd.
8. Which of the following is an application layer service?
Network virtual terminal
File transfer, access and management
Mail service
All of the above
9. World Wide Web is standardized by
W3C
World Wide Corporation
World Wide Consortium
World Wide Web Standard
10. Firewall in computer is used for
security
data transmission
authentication
monitoring
I/BCA/103 4 Contd.
Indicate whether the following statements are True or False by putting
a Tick mark in the brackets provided 1×5=5
11. The first computer designed by Charles Babbage is ENIAC.
T F
12. A system software is any program or group of programs, that is designed
for the end user.
T F
13. Multiprogramming is the ability of a central processing unit to execute
multiple processes or threads concurrently, supported by the operating
system.
T F
14. A group of computers and other devices connected together is called a
network, and the concept of connected computers sharing resources is
called Inter-Network.
T F
15. An Internet service provider is an organization that provides services
for accessing, using or participating in the Internet.
T F
SECTION—B
Marks 10
Answer the following questions 2×5=10
16. What is ROM?
17. What is meant by low-level language?
18. What is multiuser operating software?
19. List out the different elements of communication system.
20. Differentiate between Intranet and Extranet.
I/BCA/103 5 Contd.
PART B—DESCRIPTIVE
Marks 50
The figures in the margin indicate full marks for the questions
1. Differentiate between RAM and ROM.
Draw and explain the block diagram of computer organization in
detail. 10
OR
What is distributed computer system? Explain in detail.
Describe the different generations of computer. 10
2. What is decision table? Explain how a decision table helps the
programmer in writing a computer language.
Explain the different types of software used in programming. 10
OR
What is assembler? How it differs from linker?
What are hardware and software? Explain it by giving example. 10
3. What is operating system? State the different functions of operating
system.
What is the importance of anti-virus software? 10
OR
Explain the time-sharing operating system and real-time operating
system in detail.
What is multithreading? 10
I/BCA/103 6 Contd.
4. Define topology. Explain the different network topologies.
State the difference between LAN and WAN. 10
OR
Describe the TCP/IP layering model and explain the function of each
model.
Define the terms and 'terminal'. 10
5. What is E-mail? Explain the different sections of E-mail.
Explain how cybercrime can affect our personal life. 10
OR
What is IP address? Explain the format of IPv4 in detail.
What is the use of search engine in Internet? Explain the different
types of search engine. 10