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Quiz 1
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Q.1
‘Burst refresh’ in DRAM is also called
Concentrated refresh
Distributed refresh
Hidden refresh
None of the above
Q.2
When .9432 E – 4 is subtracted from .5452 E – 3 in normalized floating point mode
None of the numbers is changed
.9432 E – 4 is changed to .09432 E – 3 and .5452 E – 3 is not changed
.5452 E – 3 is changed to 5.452 E – 4 but .9432 E – 4 is not changed
Both Ihe numbers are changed and their exponents are, made equal to -5
Q.3
The character set of Fortran 77 includes lower case alphabets a to z.
True
False
Q.4
A structure that stores a number of bits taken “together as a unit” is a
Gate
Mux
Decoder
Register
Q.5
In 8085, the pins for SID and SOD are
4 and 5 respectively
5 and 4 respectively
3 and 4 respectively
4 and 3 respectively
Q.6
An I/O processor controls the flow of information between
Cache memory and I/O devices
Main memory and I/O devices
Two I/O devices
Cache and main memory
Q.7
MS Access is a DBMS software.
True
False
Q.8
Which of the following is not a general purpose peripheral?
I/O port
Programmable interrupt controller
Programmable CRT controller
Programmable interval timer
Q.9
Each instruction in assembly language program has the following fields:
Lable field
Mnemonic field
Operand field
Comment field
The correct sequence of these fields is?
1, 2, 3, 4
1, 2, 4, 3
2, 1, 3, 4
2, 1, 4, 3
Q.10
Which of the following is type declaration statement in C?
int bar
s = s + 1
king = horse + 1
prin = prin * prin
Q.11
Of the following circuits, the one which involves storage is
RS Latch
Mux
Nand
Decoder
Q.12
The number of interrupt lines in 8085 is
2
3
4
5
Q.13
In Fortran 77 a variable name can contain special characters.
True
False
Q.14
It is possible to copy a file in the same directory.
True
False
Q.15
The forms of IF statements in FORTRAN 77 are called
Logical IF and Block IF
Logical IF, block IF and arithmetic IF
Logic IF, block IF, arithmetic IF and negate IF
Logical IF and arithmetic IF
Q.16
Which of the following conditions is not allowed in an RS latch?
R is asserted, S is asserted
R is asserted, S is negated
R is negated, S is asserted
R is negated, S is negated
Q.17
If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)
Doubles
Remains unchanged
Halves
Increases by 2^(address bits)/addressability
Q.18
Assertion (A): Negative values of incremental operator in DO loop are allowed in Fortran 77 but not in earlier versions of Fortran.
Reason (R): Fortran 77 has better array facilities than earlier versions of Fortran.
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct R is wrong
A is wrong R is correct
Q.19
The minimum number of transistors required to implement a two input AND gate is
2
4
6
8
Q.20
If m is a power of 2, the number of select lines required for an m-input mux is:
m
2^m
log2 (m)
2*m
0 h : 0 m : 1 s
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