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