DE Quiz M1.2. Binary codes, Logic gates

Name of the logic gate whose output becomes high when anyone of the input becomes high

• AND
• OR
• NOT
• XOR

Convert binary number 111000 into gray code

• 110100
• 110001
• 100100
• 111101

Identify the gate given below

• AND
• OR
• NOT
• XOR

The codes in which each successive code word from the preceding one in only one bit position are called

• BCD
• Excess-3 code
• Gray code
• ASCII code

How many entries will be in the truth table of a 4-input NAND gate?

• 6
• 8
• 32
• 16

How many bits are needed to store one BCD digit?

• 2 bits
• 4 bits
• 3 bits
• 1 bit

Which of these sets of logic gates are known as universal gates?

• XOR, NAND, OR
• OR, NOT, XOR
• NOR, NAND, XNOR
• NOR, NAND

Which number system is used by digital computers?

• Decimal
• Binary
• Octal
• Hexadecimal

The BCD number for decimal 347 is ________.

• 1100 1011 1000
• 0011 0100 0111
• 0011 0100 0001
• 1100 1011 0110

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

• MSB
• frequency
• LSB
• duty cycle