# MCQs on Boolean Algebra for class 11

### MCQs on Boolean Algebra for class 11

Topic: BOOLEAN ALGEBRA, NUMBER SYSTEM, ENCODING SCHEME

Q.1 Boolean Algebra is also called

a) Switching algebra

b) Arithmetic algebra

c) Linear algebra

d) Algebra

a) Switching algebra

Q.2 DE Morgan’s law states that

a) (AB)’ = A’ + B’

b) (A + B)’ = A’ * B

c) A’ + B’ = A’B’

d) (AB)’ = A’ + B

c) A’ + B’ = A’B’

Q.3 Which gate returns true if both inputs are similar otherwise false.

a) NAND

b) NOR

c) XOR

d) None of the above

b) NOR

Q.4 Which of the following is/are the universal logic gates?

a) OR and NOR

b) AND

c) NAND and NOR

d) NOT

c) NAND and NOR

Q.5 The expression of a NAND gate is_______

a) A.B

b) A’B+AB’

c) (A.B)’

d) (A+B)’

c) (A.B)’

Q.6 A __________ gate gives the output as 1 only if all the inputs signals are 1.

a) AND

b) OR

c) EXOR

d) NOR

a) AND

Q.7 The gate which is used to reverse the output obtained is _____

a) NOR

b) NAND

c) EXOR

d) NOT

d) NOT

Q.8 The symbol + in Boolean is also known as the ____________ operator.

a) AND

b) OR

c) EXOR

d) NOR

b) OR

Q.9 Boolean algebra is define as a set of ______________

a) One value

b) Two value

c) Three value

d) Four value

b) Two value

Q.10 Boolean algebra is an algebraic structure with two arithmetic operations.

a) Addition and subtraction

b) Subtraction and multiplication

c) Addition and multiplication

d) Addition and division

c) Addition and multiplication

Q.11 In Boolean algebra 23 would have

a) Three value

b) Four value

c) Six value

d) eight value

d) eight value

Q.12 NAND is a complement of

a) AND

b) OR

c) NOT

d) XOR

a) AND

Q.13 When we convert 10010 binary numbers to decimals. Then the solution is :

a) 20

b) 18

c) 14

d) 16

b) 18

Q.14 Convert (22) from octal to its corresponding decimal equivalent.

a) 20

b) 18

c) 14

d) 81

b) 18

Q.15 The base of hexadecimal number system is

a) 6

b) 8

c) 16

d) 10

c) 16

Q.16 The number of digit in binary number systems are

a) 10

b) 2

c) 4

d) 6

b) 2

Q .17 Name the number system which uses alphabets as well as numerical.

a) Binary number system

b) octal number system

c) Decimal number system

d) Hexadecimal number system

d) Hexadecimal number system

Q.18 Which out of the following binary number is equivalent to decimal number 24.

a) 11011

b) 11000

c) 11111

d) 11001

b) 11000

Q.19 How many number of digits are there in octal number system

a) 6

b) 9

c) 5

d) 8

d) 8

Q.20 One nibble contains the number of bits equivalent to

a) 3

b) 4

c) 8

d) 16

b) 4

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### Chapter-4 Flow of control, conditional statements MCQs

Q.21 The octal equivalent of (13)10 is

a) 18

b) 14

c) 15

d) 16

c) 15

Q.22 The result after converting the binary number (100011)2 to decimal will be

a) 30

b) 43

c) 35

d) None of the above

c) 35

Q.23 Conversion of hexadecimal number (69)16 to octal equivalent will be

a) 451

b) 351

c) 251

d) 151

d) 151

Q.24 Convert the binary number (100110)2 to hexadecimal equivalent is give

a) 46

b) 36

c) 26

d) 34

c) 26

Q.25 When we convert 0010010100 binary to octal. Then the solution is :

a) 201

b) 226

c) 224

d) 161

c) 224

Q.26 Convert hexadecimal (FACE)16 to its equivalent binary

a) 1111101011001110

b) 0011101011010011

c) 1100111111100011

d) 101010101101111

a) 1111101011001110

Q.27 Convert hexadecimal (EB4A)16 to its equivalent octal

a) 165512

b) 156641

c) 165511

d) 165012

a) 165512

Q.28 Which of the following encoding scheme is commonly used for encoding scheme?

a) ASCII

b) ANSI

c) ISCII

d) UNICODE

a) ASCII

Q.29 ISCII can represent ______bit character

a) 5

b) 6

c) 7

d) 8

d) 8

Q.30 The __________ provides a unique number for every character for various devices like servers, desktop, mobile and operating system linux, windows, iOS or software application.

a) ASCII

b) ANSI

c) ISCII

d) UNICODE

d) UNICODE

Q.31 Every keyboard present on the key is mapped to a unique code.

a) True

b) False

a) True

Q.32 Which of the following is not a commonly used encoding scheme?

a) UTF-8

b) UTF-16

c) UTF-34

d) UTF-64

d) UTF-64

Q.33 The ASCII is capable to encode characters of any language.

a) True

b) False

b) False

Q.34 Each cell of the table contains a character along with its equivalent ________ value in Unicode table for the Devanagari script.

a) decimal

b) binary

d) octal

Q.35 ASCII uses _______ bits to represent characters.

a) 5

b) 6

c) 7

d) 8

c) 7

Q.36 ISCII was developed in ________.

a) 1950s

b) 1960s

c) 1970s

d) 1980s

d) 1980s

Q.37 The ASCII was develolped in _________.

a) 1950s

b) 1960s

c) 1970s

d) 1980s

b) 1960s