Digital Techniques - Integrated Circuits

A collection of resistors, diodes and transistors fabricated on a single piece of semiconductor material called a substrate is called what?

• Digital IC

• PC board

• Computer keyboard

The dot on a IC chip indicates which pin?

• The first pin (Number 1)

• The last pin

• Does not have any significance

How many levels of complexity are there for digital ICs?

• 6

• 12

• 18

What accepts a set of inputs that represent a binary number and activate only the output that corresponds to that input number?

• A decoder

• An encoder

• A multiplexer

Small circles on the output lines in a decoder diagram indicates what?

• Low outputs

• High outputs

• No output

What is the general rule that decoders follow for the possible outcomes?

• 2n

• 3n

• 4n

The direction of number pins (eq 1-10) on a chip is in which direction?

• Clockwise

• Anticlockwise

• Nill

What is the small piece removed from an electronic chip called?

• Notch

• Hole

• Chunck

What is designed to have any unused codes applied to the input, causing none of the outputs to be activated?

• Encoder

• Decoder

• Electronic chip

What type of decoder is used to take a four bit BCD and provide the outputs that will pass current through the appropriate segments to display a decimal digit?

• 7 Segment

• 74147 Priority Encoder

• 8 to 3 Encoder