1
Question Paper
Computer System Architecture (MC121) – October 2004
Section A : Basic Concepts (30 Marks)
•
This section consists of questions with serial number 1 - 30.
•
Answer all questions.
•
Each question carries one mark.
•
Maximum time for answering Section A is 30 Minutes.
1.
________bits are used to denote a character.
(a)
16
(b)
7
(c)
2
(d)
8
(e)
32.
< Answer >
2.
The fastest processor chips today have an internal clock rate of at least ______.
< Answer >
3.
Octal number 736.4 is converted to decimal as
< Answer >
4.
Conversion of the decimal 41.6875 into binary number will be
< Answer >
5.
The addition of two binary numbers in 2’s complement x=1010100 and y=1000011
(a) 11010110
(b)
11110011
(c)
01111011
(d)
10010001
(e)
11000111.
< Answer >
6.
Floating point is always interpreted to represent a number in the following form
< Answer >
7.
If 1’s are mapped in a k-map the Boolean function is in the form
< Answer >
8.
A combinational circuit that performs the addition of two input bits and a carry from the previous lower
significant position is called
< Answer >
9.
Which of the following gates is called as a universal gate as any digital system can be implemented
with it?
(a)
AND gate
(b)
NAND gate
(c)
OR gate
(d)
SR gate
(e)
XOR gate.
< Answer >
10.
A combinational circuit that converts binary information from n input lines to a maximum of 2
n
unique
output lines is
< Answer >
11.
The outputs of sequential circuits are functions of
< Answer >
12.
In which type of flip-flop the intermediate condition of the SR flip-flop(When S=R=1) is eliminated?
< Answer >
13.
How many flip-flops make up a register of 8 bits?
(a)
6
(b)
7
(c)
8
(d)
16
(e)
32.
< Answer >
14.
What is the maximum count achieved by a counter with four flip-flops?
< Answer >

This
** preview**
has intentionally

**sections.**

*blurred***to view the full version.**

*Sign up*