20EC204 Digital System Design

Property A+0 = ?

• 0

• 1

• A

• A~

What gate outputs 1 if and only if at least one input is 1?

• OR

• AND

• NOT

• NAND

Expression for

• AB’+A’B

• AB+A’B’

• AB+A’B

• A’B’+AB

Most demultiplexers facilitate which type of conversion?

• Decimal-to-Hexadecimal

• Single input, multiple outputs

• odd to even parity

• Binary to Octal conversion

What type of register would shift a complete binary number in one bit at a time and shift all the stored bits out one bit at a time?

• SISO

• PISO

• SIPO

• PIPO

Which of the following is a major advantage of the D-type flip-flop over the clocked SR type?

• A shorter propagation delay

• Only one input and one output

• No indeterminate

  State

• Negative Edge Triggering

Which of the following is not the characteristics of RAM?

• RAM is read/write memory

• RAM holds data and instruction on which we are currently working

• RAM is Non-Volatile i.e, Permanent

• The amount of RAM in computer affects the number of programs a computer

This is the dominant among the other logic family, use for systems that are low power consumption

• TTL

• CMOS

• ECL

• DTL

Verilog language is case sensitive ?

• True

• False

Integer datatype in Verilog is allocated ______ number of bits

• 16

• 32

• 8

• 64