B.C.A. (Three Year) DEGREE EXAMINATION, OCTOBER 2018.
End Semester Examination
First Semester
Part II Computer Applications
(Regular/Supplementary)
Paper II COMPUTER FUNDAMENTALS
2 C-1502
Time 3 Hours Max. Marks 60
PART — A
Answer the following questions. 4 20 Marks)
1. Define Computer
Mention any three types of keyboard.
Define secondary memory.
Graphics software.
Define the term internet security.
PART — B
Answer the following questions. 8 40 Marks)
2. How does the Computer classified based on Generation
Or
What is output device? Write a detailed note on different types of output
devices.
3. What is memory? Explain the characteristics of memory hierarchy chart.
Or
Convert the decimal 7792477 into octal and hexadecimal.

4. What do you mean by logic gates? Explain with their truth tables.
Or
Simplify these expressions.
5. Differentiate between Hardware and software. Also state Boolean algebra.
Or
Trace out the origin of Internet. Also explain various services rendered by
Internet.
6. What is Operating System? Explain its role and operations.
Or
What is Algorithm? Also state the concept of Microsoft Office Packages.