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- Question
The content of a simple programmable logic device (PLD) consists of:
Options- A. fuse-link arrays
- B. thousands of basic logic gates
- C. advanced sequential logic functions
- D. thousands of basic logic gates and advanced sequential logic functions
- Correct Answer
- thousands of basic logic gates and advanced sequential logic functions
- 1. PLAs, CPLDs, and FPGAs are all which type of device?
Options- A. SLD
- B. PLD
- C. EPROM
- D. SRAM Discuss
- 2. The complex programmable logic device (CPLD) contains several PLD blocks and:
Options- A. field-programmable switches
- B. AND/OR arrays
- C. a global interconnection matrix
- D. a language compiler Discuss
- 3. Which type of PLD should be used to program basic logic functions?
Options- A. PLA
- B. PAL
- C. CPLD
- D. SLD Discuss
- 4. Once a PAL has been programmed:
Options- A. it cannot be reprogrammed.
- B. its outputs are only active HIGHs
- C. its outputs are only active LOWs
- D. its logic capacity is lost Discuss
- 5. The commutative law of addition and multiplication indicates that:
Options- A. the way we OR or AND two variables is unimportant because the result is the same
- B. we can group variables in an AND or in an OR any way we want
- C. an expression can be expanded by multiplying term by term just the same as in ordinary algebra
- D. the factoring of Boolean expressions requires the multiplication of product terms that contain like variables Discuss
- 6. The difference between a PLA and a PAL is:
Options- A. the PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane
- B. the PAL has a programmable OR plane and a programmable AND plane, while the PLA only has a programmable AND plane
- C. the PAL has more possible product terms than the PLA
- D. PALs and PLAs are the same thing. Discuss
- 7. A magnitude comparator determines:
Options- A. A ≠ B and if A ɑ B or A >> B
- B. A ≈ B and if A > B or A < b
- C. A = B and if A > B or A < b
- D. A ≡ B and if A < b or a > B Discuss
- 8. A basic multiplexer principle can be demonstrated through the use of a:
Options- A. single-pole relay
- B. DPDT switch
- C. rotary switch
- D. linear stepper Discuss
- 9. Select one of the following statements that best describes the parity method of error detection:
Options- A. Parity checking is best suited for detecting single-bit errors in transmitted codes.
- B. Parity checking is best suited for detecting double-bit errors that occur during the transmission of codes from one location to another.
- C. Parity checking is not suitable for detecting single-bit errors in transmitted codes.
- D. Parity checking is capable of detecting and correcting errors in transmitted codes. Discuss
- 10. Which digital system translates coded characters into a more intelligible form?
Options- A. encoder
- B. display
- C. counter
- D. decoder Discuss
Programmable Logic Devices (PLD) problems
Search Results
Correct Answer: PLD
Correct Answer: a global interconnection matrix
Correct Answer: PAL
Correct Answer: it cannot be reprogrammed.
Correct Answer: the way we OR or AND two variables is unimportant because the result is the same
Correct Answer: the PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane
Correct Answer: A = B and if A > B or A < b
Correct Answer: rotary switch
Correct Answer: Parity checking is best suited for detecting single-bit errors in transmitted codes.
Correct Answer: decoder
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