Digital Electronics Number Systems and Codes Online Test, MCQ

Convert the following binary number to decimal.
01011₂

Convert the binary number 1001.0010₂ to decimal.

Decode the following ASCII message.
10100111010100101010110001001011001
01000001001000100000110100101000100

The voltages in digital electronics are continuously variable.

One hex digit is sometimes referred to as a(n):

Which of the following is the most widely used alphanumeric code for computer input and output?

If a typical PC uses a 20-bit address code, how much memory can the CPU address?

Convert 59.72₁₀ to BCD.

Convert 8B3F₁₆ to binary.

Which is typically the longest: bit, byte, nibble, word?

Assign the proper odd parity bit to the code 111001.

Convert decimal 64 to binary.

Convert hexadecimal value C1 to binary.

Convert the following octal number to decimal.
17₈

How many binary digits are required to count to 100₁₀?

The BCD number for decimal 347 is ________.

The binary number for octal 45₈ is ________.

The sum of 11101 + 10111 equals ________.

Convert the following binary number to decimal.
10011010₂

The decimal number 188 is equal to the binary number ________.

How many bits are in an ASCII character?

A binary number’s value changes most drastically when the ________ is changed.

Convert decimal 213 to binary.

The decimal number for octal 748 is ________.

The sum of the two BCD numbers, 0011 + 0011, is ________.

Convert binary 01001110 to decimal.

Which is not a word size?

The octal numbering system:

The binary number 1110 is equal to the decimal number ________.

Convert 1100101000110101₂ to hexadecimal.