Saurastra University 2006 Post Graduate Diploma Computer Science
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*SQ-2254*
SQ-2254 Seat No._P.G.D.C.A. (Sem. I) Examination April/May - 2006 S/SC-2254 : Intro to Computer Fundamental & Arch.
Time : 3 Hours] [Total Marks : 100
Note:
1.
2.
3.
4.
This paper contains maximum 100 marks and two sections.
Attempt section -1 and section -2 in two different answer sheets.
Number at right side of question indicates marks of that question.
Start new question on new page.
SECTION -1
1 Attempt following (Any three)
[18]
1. Draw block diagram of a computer and explain the function of each unit.
2. Explain various types of printers
3. Discuss types of memory.
4. Classify computer languages. Give advantage & disadvantages of each category.
5. How to draw the flow chart diagram? What is the advantages of using it? Explain with a suitable example.
2 A. Explain function of various operating systems. OR
[10]
[06]
A. Discuss Any three input devices
B. Convert Following :
a. (153) 10= (_)2
b. (110011101)2= (_)io
c. (ABC)16 = (_)2
3 A. Differentiate following: (any Four) [08]
a. Multi Programming -- Multi Processing
b. Application S/W - System s/w
c. Compiler - Interpreter
d. Floppy disk - Hard Disk
e. Algorithm - Flow chart
B. What is Gate? Discuss different logic gates available in digital logic [08] circuits.
SQ-2254]
[Contd...
1
A. Write short note on following: (any three)
a. Number system
b. Characteristics of computer
c. Lower level Language
d. Scanner
B. [06]
a. simplify following Boolean Equation:
ABC + ABC + ABC + ABC + ABC + ABC + ABC
b. Prove by perfect Induction method:
XY + YZ +YZ = XY + Z
5 A . What is Flip flop? Explain S-R Flip flop, B Explain Decoder OR
[08]
[08]
B. Explain Encoder
6 Write short note on any Four:
[16]
a. Multi Plexer
b. Access Time & Cycle Time
c. Implied Mode & Register Mode
d. Sequential circuit
e. Define following:
i. ASCII
ii. ROM
iii. BIOS
iv. EDCBIC
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SQ-2254] 2 [ 100 ]
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