Digital Logic Quiz

A full subtracter circuit requires ________.

• two inputs and two outputs

• two inputs and three outputs

• three inputs and one output

• three inputs and two outputs

The output of an AND gate is LOW ________.

• all the time

• when any input is low

• when any input is high

• when all inputs are high

The output of an OR gate is LOW when ________.

• all inputs are low

• any input is low

• any input is high

• all inputs are high

A demultiplexer has ________.

• one data input and they have several outputs

• one input and one output

• several inputs and several outputs

• several inputs and one output

The decimal number 10 is represented in its BCD form as

• 10100000

• 01010111

• 00010000

• 00101011

Complement of the expression A'B + CD' is

• (a' + b)(c' + d)

• (a + b')(c' + d)

• (a' + b)(c' + d)

• (a + b')(c + d')

Half Adder is used to perform Addition of

• 2 bits

• 3 bits

• 4 bits

• 8 bits

Which of the following is the fullform of CISC?

• Complex Instruction Sequential Compilation

• Complete Instruction Sequential Compilation

• Computer Integrated Sequential Compiler

• Complex Instruction Set Computer

In the case of, Zero-address instruction method the operands are stored in _____

• Registers

• Memory

• Push down stack

• Cache

The addressing mode, where you directly specify the operand value is _______

• Immediate

• Direct

• Definite

• Relative