History of Number Systems
Which was the earliest medium of counting in ancient times?
(a) Sticks-stones (b) Paper (c) Calculator (d) Computer
Answer: a
Who used the Hieroglyphics number system?
(a) Egyptians (b) Mayans (c) Romans (d) Chinese
Answer: a
What was the base of numbers in the Mayan civilization?
(a) 5 (b) 10 (c) 20 (d) 8
Answer: c
Where did the first use of zero (0) begin?
(a) India (b) Egypt (c) Greece (d) Arabia
Answer: a
Which base did the Babylonians use for counting?
(a) 10 (b) 12 (c) 60 (d) 20
Answer: c
Digits and Numbers
What is the smallest symbol used to create a number called?
(a) Digit (b) Base (c) Bit (d) Byte
Answer: a
How many total digits are there in the decimal number system?
(a) 2 (b) 8 (c) 10 (d) 16
Answer: c
What is formed when multiple digits sit side by side?
(a) Number (b) Base (c) Bit (d) Byte
Answer: a
Which of the following is both a digit and a number individually?
(a) 5 (b) 15 (c) 25 (d) 35
Answer: a
What does 'X' represent in the Roman system?
(a) 5 (b) 10 (c) 50 (d) 100
Answer: b
Number Systems and Base
How many main types of number systems are there?
(a) 2 types (b) 3 types (c) 4 types (d) 5 types
Answer: a
What kind of number system is Tally?
(a) Positional (b) Non-positional (c) Binary (d) Octal
Answer: b
What is the core foundation of a positional number system?
(a) Base (b) Name (c) Size (d) Length
Answer: a
What is the total count of symbols in a number system called?
(a) Base (b) Bit (c) Byte (d) Value
Answer: a
What is absent in a non-positional number system?
(a) Place value (b) Symbol (c) Base (d) Both a & c
Answer: d
Place Value, Bit and Byte
What is the value based on the position of a digit called?
(a) Place value (b) Intrinsic value (c) Base (d) Radix
Answer: a
What is a single symbol of the binary number system called?
(a) Bit (b) Byte (c) Nibble (d) Code
Answer: a
How many bits make up one Byte (1 Byte)?
(a) 4 bits (b) 8 bits (c) 16 bits (d) 32 bits
Answer: b
1 Nibble is equal to how many bits?
(a) 2 bits (b) 4 bits (c) 8 bits (d) 16 bits
Answer: b
In the number $(101.11)_2$, what is the part to the left of the radix point called?
(a) Integer part (b) Fractional part (c) Base (d) Carry
Answer: a
Different Number Systems
What is the base of the binary number system?
(a) 2 (b) 8 (c) 10 (d) 16
Answer: a
What is the highest digit in the octal number system?
(a) 7 (b) 8 (c) 9 (d) F
Answer: a
What is the base of the hexadecimal number system?
(a) 2 (b) 8 (c) 10 (d) 16
Answer: d
What is the decimal value of 'E' in the hexadecimal system?
(a) 12 (b) 13 (c) 14 (d) 15
Answer: c
How many basic symbols are there in the octal system?
(a) 2 (b) 8 (c) 10 (d) 16
Answer: b
What is the immediate next number of $(7)_8$?
(a) 8 (b) 9 (c) 10 (d) 11
Answer: c
What is the immediate next number of $(F)_{16}$?
(a) G (b) 10 (c) 16 (d) 20
Answer: b
Which of the following is a valid octal number?
(a) 175 (b) 185 (c) 295 (d) 888
Answer: a
Which of the following is a hexadecimal number?
(a) 1A3 (b) 2G5 (c) 89H (d) 56M
Answer: a
What is $(10)_{10}$ written in hexadecimal?
(a) A (b) B (c) C (d) F
Answer: a
Decimal to Binary, Octal & Hexadecimal Conversion
By what number should a decimal integer be divided to convert it to binary?
(a) By 2 (b) By 8 (c) By 10 (d) By 16
Answer: a
What is the binary value of the decimal number $(7)_{10}$?
(a)
101(b)110(c)111(d)1000Answer: c
Which is the binary form of the decimal number $(16)_{10}$?
(a)
10000(b)11111(c)10100(d)11000Answer: a
By what number should a decimal fraction be multiplied to convert it to octal?
(a) By 2 (b) By 8 (c) By 10 (d) By 16
Answer: b
What is the equivalent octal value of the decimal number $(8)_{10}$?
(a) 8 (b) 10 (c) 11 (d) 20
Answer: b
Which is the octal form of the decimal number $(17)_{10}$?
(a) $(21)_8$ (b) $(20)_8$ (c) $(15)_8$ (d) $(25)_8$
Answer: a
By what number should a decimal integer be divided to convert it to hexadecimal?
(a) By 2 (b) By 8 (c) By 10 (d) By 16
Answer: d
What is the hexadecimal value of the decimal number $(15)_{10}$?
(a) E (b) F (c) 10 (d) A
Answer: b
Which is the hexadecimal form of the decimal number $(30)_{10}$?
(a) 1E (b) 1F (c) 2A (d) 30
Answer: a
What is the equivalent binary value of the decimal number $(0.5)_{10}$?
(a)
0.1(b)0.01(c)0.11(d)0.001Answer: a