Shared Flashcard Set

Details

Chapter 6
Encoding, Decoding, and 7-Segment Displays
25
Other
04/11/2017

Term
 What is 150 in binary?
Definition
 10010110
Term
 Write the 8421 BCD numbers for the decimal number 150.
Definition
 0001 0101 0000
Term
 Write the decimal numbers for the 8421 BCD number 0011 0000.
Definition
 30
Term
 Write the excess-3 code numbers for the decimal number 27.
Definition
 0101 1010
Term
 List two codes you learned about that are classified as BCD codes.
Definition
 8421 and excess-3
Term
 What do the letters “ASCII” stand for?
Definition
 American Standard of Coding for Information Interchange.
Term
 Standard ASCII is a(n) 7-bit _______ (alphanumeric, BCD) code that is used to represent numbers, letters,punctuation marks, and control characters.
Definition
 alphanumeric
Term
 A(n) ________ (decoder, encoder) is the electronic device used to convert the decimal input of a calculator keypad to the BCD code used by the central processing unit.
Definition
 Encoder
Term
 A(n) _______ (decoder, encoder) is the electronic device used to convert the BCD of the central processing unit of a calculator to the decimal display output.
Definition
 Decoder
Term
 The seven-segment display that you will use emit light (usually red) and are of the _______(LCD,LED).
Definition
 LCD
Term
 The ___________ (LCD,LED) seven segment display is used where battery operations demands low power consumption's.
Definition
 LED
Term
 [image]What is this a figure of?
Definition
 Two-digit counter with decimal output.
Term
 [image]What section is this?
Definition
 Section D
Term
 [image]What is this a figure of?
Definition
 A decoder driving a seven-segment display
Term
 The ________ (LED,VF) seven-segment display operates on a slightly higher voltage power supply.
Definition
 VF
Term
 The front and back panels of a ________ (LCD,LED) seven-segment display are made of glass and can be broken by rough handling.
Definition
 LCD
Term
 Vacuum fluorescent display can operate on 12V, which makes them very compatible with ____ (CMOS, TTL) IC’s and automotive.
Definition
 CMOS
Term
 The decimal number 29 is the same as ___ in binary.
Definition
 11101
Term
 What are some reason a designer might select a VF display for an automotive application?
Definition
 They work well in all temperature and lighting conditions.
Term
 The Gray code ___ (is,is not) a BDC-type code.
Definition
 is not
Term
 [image]Is the arrow pointing to the anode or cathode lead?
Definition
Term
 Name two different types of decoders.
Definition
 BCD-to-Sevensegment Graycode-to-DecimalBCD-to-BinaryBinary-to-BCD
Term
 The letters "LED" stands for ___?
Definition
 light-emitting diode
Term
 A VF display glows with a(n) ___ color when activated.
Definition
 blue-green
Term
 An internal _____ (Open, Short) circuit in a TTL IC will many times cause the IC to become excessively hot.
Definition
 Short
Supporting users have an ad free experience!