Math Trivia Practice Exam Quiz!
.
- 1.
Which one of the following is an example of an Analog System?
- A.
Digital Camera
- B.
Digital computers
- C.
Amplifiers
- D.
Traffic Control
Correct Answer
C. Amplifiers -
- 2.
The base used for the Octal number system is?
- A.
16
- B.
8
- C.
10
- D.
2
Correct Answer
B. 8 -
- 3.
The base used for Hexadecimal Number System is?
- A.
8
- B.
10
- C.
16
- D.
2
Correct Answer
C. 16 -
- 4.
Convert the given binary number (011010010) into an Octal number system.
- A.
132
- B.
C2
- C.
322
- D.
232
Correct Answer
C. 322 -
- 5.
Convert the given hex number (AFB2) into Binary Number.
- A.
1010 1111 1001 0010
- B.
1010 1111 1011 0010
- C.
1010 1110 1011 0010
- D.
1001 1111 1011 0010
Correct Answer
B. 1010 1111 1011 0010 -
- 6.
Convert given Octal number (43) into Binary Number System.
- A.
01000011
- B.
100011
- C.
100010
- D.
1000011
Correct Answer
B. 100011 -
- 7.
Which one of the following number system is based on scientific notation and is capable of representing very large and very small numbers without increasing the number of bits.
- A.
Octal Number System
- B.
Hexadecimal Number System
- C.
Floating Point Number System
- D.
Decimal Number System
Correct Answer
C. Floating Point Number System -
- 8.
Which one of the following is not a Non-weighted code?
- A.
Excess-3
- B.
Gray
- C.
Binary
Correct Answer
C. Binary -
- 9.
Which one of the following is an example of Error Detecting and Error Correcting code?
- A.
Hammimg Code
- B.
ASCII Code
- C.
Excess-3 Code
- D.
Hollerith Code
Correct Answer
A. Hammimg Code -
- 10.
Convert the given Decimal Number (98) into BCD equivalent.
- A.
1000010
- B.
1010 1000
- C.
1001100
- D.
1001 1000
Correct Answer
D. 1001 1000 -
- 11.
Write the equivalent Gray Code for the given Binary (1111).
- A.
1010
- B.
1000
- C.
1111
- D.
1011
Correct Answer
B. 1000 -
- 12.
ASCII code is a?
- A.
7 bit code
- B.
8 bit code
- C.
6 bit code
- D.
9 bit code
Correct Answer
A. 7 bit code -
- 13.
How many characters and symbols ASCII code has?
- A.
254
- B.
256
- C.
127
- D.
128
Correct Answer
D. 128 -
- 14.
Which one of these codes used in punched cards?
- A.
Morse Code
- B.
ISCII Code
- C.
Hollerith Code
- D.
EBCDIC Code
Correct Answer
C. Hollerith Code -
- 15.
Which one of these is used for transmitting text information in the form of a series of ON-OFF tones or lights or clicks.
- A.
Hollerith Code
- B.
Morse Code
- C.
EBCDIC Code
- D.
Hamming Code
Correct Answer
B. Morse Code -
- 16.
Write the 1's complement of 1010.
- A.
0110
- B.
1010
- C.
0101
- D.
1111
Correct Answer
C. 0101 -
- 17.
Write the 2's complement of 0110.
- A.
1010
- B.
1001
- C.
0110
- D.
1111
Correct Answer
A. 1010 -
- 18.
The result of (8)16 + (5)16
- A.
13
- B.
D
- C.
E
- D.
None
Correct Answer
B. D -
- 19.
The result of (7)8 + (4)8
- A.
11
- B.
13
- C.
D
- D.
None
Correct Answer
B. 13 -
- 20.
Write the (7)10 in Excess-3
- A.
1010
- B.
10
- C.
1001
- D.
None
Correct Answer
A. 1010 -
- 21.
AND operation produces a high(1) output.
- A.
Only if all the inputs are high(1).
- B.
Only if one of the inputs are high(1).
- C.
Only if all the inputs are not high(1).
- D.
None
Correct Answer
A. Only if all the inputs are high(1). -
- 22.
NOR operation produces a high(1) output.
- A.
Only if all inputs are at low(0).
- B.
Only if one of the inputs are at low(0)
- C.
Only if all inputs are at high(1).
Correct Answer
A. Only if all inputs are at low(0). -
- 23.
EX-OR operation produces a high (1) output.
- A.
Only for dissimilar inputs.
- B.
Only for similar inputs.
- C.
None
Correct Answer
A. Only for dissimilar inputs. -
- 24.
Which of the following two gates are called as universal gates?
- A.
NAND and NOR
- B.
NAND and OR
- C.
AND and NOR
- D.
NAND and EX-OR
Correct Answer
A. NAND and NOR -
- 25.
In a 14 pin TTL integrated circuit (IC) always connect.
- A.
Vcc to 14th pin and GND to 7th pin
- B.
Vcc to 7th pin and GND to 14th pin
- C.
Vcc to 1st pin and GND to 7th pin
- D.
Vcc to 14th pin and GND to 1st pin
Correct Answer
A. Vcc to 14th pin and GND to 7th pin -
- 26.
According to Boolean Law A+A=
- A.
A
- B.
2A
- C.
0
- D.
1
Correct Answer
A. A -
- 27.
IC 7404 is a 14 pin TTL integrated circuit with
- A.
6 inverters
- B.
4 inverters
- C.
8 inverters
- D.
2 inverters
Correct Answer
A. 6 inverters -
- 28.
Refer to the logic expression and mention which form is this? Y=AB+AC+BC
- A.
Sum of Products(SOP)
- B.
Products of Sum(POS)
- C.
None
Correct Answer
A. Sum of Products(SOP) -
- 29.
Each individual term in the canonical SOP form is called as
- A.
Minterm
- B.
Maxterm
- C.
Prime implicant
- D.
K-term
Correct Answer
A. Minterm -
- 30.
A simple graphical technique to simplify a Boolean equation is known as
- A.
K-Map
- B.
Boolean Algebra
- C.
Mc Clusky Method
Correct Answer
A. K-Map -
- 31.
Mc-Clusky minimization Technique is used when number of variables in a logical expression is greater than
- A.
6
- B.
7
- C.
5
- D.
4
Correct Answer
A. 6 -
- 32.
In K-Map as per the need, for simplification the don't care condition may be assumed to be
- A.
0 or 1
- B.
0
- C.
1
Correct Answer
A. 0 or 1 -
- 33.
Given the POS expression for carrying out simplification, group maxterms and encircle
- A.
0's
- B.
1's
- C.
Both
Correct Answer
A. 0's -
- 34.
For a 4 variable K-Map, there will be a
- A.
16 cells
- B.
8 cells
- C.
4 cells
- D.
10 cellls
Correct Answer
A. 16 cells -
- 35.
In K-Map the input variable values are ordered as per the following sequence.
- A.
(00, 01, 11, 10)
- B.
(00, 01, 10, 11)
- C.
(00, 11, 01, 10)
- D.
(10, 01, 11, 00)
Correct Answer
A. (00, 01, 11, 10) -
- 36.
In K-Map when octet is formed three variables will change and only one variable will remain same in all the minterms. State True or False
- A.
True
- B.
False
Correct Answer
A. True -
- 37.
In K-Map the Quad grouping eliminates
- A.
Two variables
- B.
Three variables
- C.
One variable
Correct Answer
A. Two variables -
- 38.
The equations which are not in the minimized form because each term contains all the literals/variables is known as
- A.
Canonical form
- B.
Standard form
- C.
None
Correct Answer
A. Canonical form -
- 39.
A.(B+C)=AB+AC State which Boolean Law is this?
- A.
Distributive Law
- B.
Associative Law
- C.
Commutative Law
- D.
De-Morgan Law
Correct Answer
A. Distributive Law -
- 40.
Which of the following are De-Morgan Laws?
- A.
NAND operation is equivalent to bubbled OR operation
- B.
NOR operation is equivalent to bubbled AND operation
- C.
Both
Correct Answer
C. Both -
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Current Version
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Mar 15, 2022Quiz Edited by
ProProfs Editorial Team -
Aug 29, 2017Quiz Created by
Bscit_it
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