Rajasthan Technical University 2009-1st Year B.E (Annual) (Back) , y- - Question Paper
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B. E. I Year (Annual) (Back) Examination, July - 2009 108 - Fundamentals of Computers
Time: 2 Hours] [Total Marks: 40 [Min. Passing Marks: 12
Attempt overall Five questions selecting one question from each unit. All questions carry equal marks. (Schematic diagrams must be shown wherever necessary. Any data you feel missing may suitably be assumed and stated clearly. Units of quantities used/ calculated must be stated clearly.)
Use of following supporting material is permitted during examination. (Mentioned in form No. 205) >
UNIT-I
1 (a) TJraw a block diagram of computer system and briefly
explain the function of eah unit.
(b) Write difference between Analog computer and digital computer. '
3
, OR
(a) Stat6-tne difference between :
M RAM and ROM (ii) Laser printer and Daisy chain printer.
4x2
y UNIT-II
2 Carry out the following conversion :
(i) (DBCA)j6 to decimal
(ii) (157.58>io to binary
(iii) (10111011011.1001)2 to octal
(iv) (10101011)2 into its 2's complement.
4x2
OR
E708i 1111 mi 11 1
2 Answer the following questions (in brief) :
(i) What is the necessity of octal number system ?
(ii) What is the signed - magnitude representation in binary system ?
(iii) Define the term 'overflow' in number system ?
(iv) What are ASCII codes ?
4x2
) State the difference between compiler and interpreter ?
(b) What is a flow chart ? Draw the various symbols used in flow chart.
4
OR
3 What is an operating system ? Explain the different functions of operating system in brief.
(a) What are the different types of storage classes in C language.
4
(b) Write a C program to find out whether the given number is a prime number or not.
4
OR
Write a program to print the following series :
1
0 1 1 0 1
[Contd...
E708]
4
5 (a) What is structure ? What are its various advantages ?
(b) Write a program to calculate sum of first 10 numbers (Natural numbers) using pointer.
5 Write a program in C langauge to copy contents of a file into another file.
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