Computing & Informatics: Frequently Asked Questions in AMIE Exams

1. COMPUTING &
INFORMATICS
FREQUENTLY ASKED QUESTIONS IN AMIE EXAMS
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2. COMPUTER BASICS
What is a cache memory? How does it improve the performance of the computer system?
Using a schematic block diagram, explain how CPU, memory, secondary storage and the
input/output units are interconnected in a computer. Explain how they interact with each other.
What is the difference between application software and system software? Give examples of
each.
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3. NUMBER SYSTEM
Convert the following integers into its equivalent form as specified. Specify all the steps. (i) 2456
(base 10) to its equivalent octal (ii) 67 (base 8, octal) to its equivalent binary (iii) AE29 (base 16)
to its equivalent decimal (iv) 11011100101 (base 2, binary) to its equivalent hexadecimal
number
Construct an R-S flip flop using NOR gates only.
Draw the logic circuit of a J-K flip flop.
Draw a schematic diagram of a full adder and show the truth table.
Distinguish between a combinational logic circuit and a sequential circuit.
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4. C/C++ PROGRAMMING
What is recursive function? Write a recursive function to calculate the factorial of a given integer
n. Between recursion and iteration, which is more efficient? Why?
What are constructors and destructors in C++? Explain their use with suitable examples.
What do you mean by a virtual function and explain its use with a suitable example program.
Various programs
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5. INFORMATICS
What is DBMS? What are different types of DBMS? What is the primary goal of DBMS? Describe
briefly with applications.
What is a relational database management system? What are the distinctive features of a relational
database? Specify with some examples. Why data in an RDBMS needs to be normalised ?
What is Client – Server technology? Give an example. What are their advantages and disadvantages?
Discuss them briefly.
What is TCP/IP protocol suite? How many layers are there in TCP/IP? Draw a neat diagram and briefly
describe them.
What is meant by information system? How is strategic information system useful for decision
making? Briefly discuss.
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6. OPERATING SYSTEMS
What are various functions of an operating system? Briefly explain them. Also, give name of any two
OS known to you.
What do you understand by booting of a computer? What are the main activities that are carried out
by a computer during booting?
What is time shared operating system? Draw a labelled task state transition diagram for a time shared
operating system, and briefly explain it .
What are the important ways in which Windows operating system is different from DOS?
Briefly explain important components of UNIX operating system and their roles.
What do you understand by a file system and i-node ? How are files organised in the file system of
UNIX?
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7. FLOW CHARTS
What is algorithm? Explain the key features of an algorithm. Explain the differences between
time complexity and space complexity.
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8. ANSWERS
Refer Course Material by AMIE(I) Study Circle.
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