DLD Quiz 2

Binary code decimal (BCD) is a way to express each of the decimal digits with a _______

• Binary code

• Digital Code

• Both

• None

Conversion of 35 (decimal) in to BCD is ______.

• 00110101

• 1000100

• 1111000

• 1010111

A__________ is used to simplify the Boolean expression in pictorial format without using Boolean law or theorem.

• BCD to gray conversion

• Gray to BCD Conversion

• K- Map

• ALL

To express any decimal number in BCD, simply replace each decimal with _______ code.

• 2 bit

• 1 bit

• 3 bit

• None

1001010001110000 conversion of this is ______

• 8670

• 9470

• 5670

• 1670

If 4 bit sum is greater than 9, or if a carry out of the 4 bit group is generated than you have to add_____.

• 6

• 4

• 2

• 1

For the conversion of binary to gray code we have to perform _____ gate.

• OR

• X-OR

• NOR

• AND

Conversion of binary (10110) to gray code is ____

• 11101

• 00010

• 11111

• 10101

Conversion of gray (11101) to binary is ____

• 10110

• 10111

• 10001

• 00111

2's Complement of 10111010 is ______

• 01000110

• 11000101

• 00011101

• 111110001