Switching Theory & Logic Design

Ans. It is one which higher of the two voltage levels represents logic 0 and the lower of the two voltage represents logic 1.

Ans. It is one in which the higher of the two voltage levels represent logic 1, and the lower of the two voltage levels represents logic 0.

Ans. It involves specifying the inter-connection of specific components such as resistors , transistor and diode to form a gate, flip-flop, or any other logic building block.

Ans. To determine the inter-connection of logic gates and flip-flops required to perform binary addition.

Ans. It involves determining how to inter-connection basic logic building blocks to perform a specific function.

Ans. The system design of a digital computer involve specifying the number  and type of memory units, arithmetic units and input- output devices as well as specifying the interconnection and control of those sub-systems.

Ans. Three stages of the digital systems design are: system design logic design circuit design

Ans. Systems in which both analog and digital techniques are applied in the same systems are called hybrid systems.

Ans. The only one main drawback of the digital techniques is that real world is not digital, it is analog.

Ans. Digital systems have a number of advantages over the analog systems are: Digital systems are more versatile Easier to store data Easier to design Less effected by noise More attractive Precise than analog systems