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Programmable Logic Device - General Questions (8)

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Programmable Logic Device - General Questions

57. 

When did the first PLD appear?

A. More than 10 years ago
B. More than 20 years ago
C. More than 30 years ago
D. More than 40 years ago

Answer: Option C

Explanation:

No answer description available for this question

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58. 

What is another name for digital circuitry called sequential logic?

A. logic macrocell
B. logic array
C. flip-flop memory circuitry
D. inverter

Answer: Option C

Explanation:

No answer description available for this question

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59. 

A(n) ________ consists of a programmable array of AND gates that connects to a fixed array of OR gates and is usually OTP.

A. GAL
B. CPLD
C. PAL
D. SPLD

Answer: Option C

Explanation:

No answer description available for this question

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60. 

________ are used at the inputs of PAL/GAL devices in order to prevent input loading from a large number of AND gates.

A. Simplified AND gates
B. Fuses
C. Buffers
D. Latches

Answer: Option C

Explanation:

No answer description available for this question

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61. 

Each programmable array logic (PAL) gate product is applied to an OR gate and, if combinational logic is desired, the product is ORed and then:

A. the polarity fuse is restored
B. sent to an inverter for output
C. sent immediately to an output pin
D. passed to the AND function for output

Answer: Option B

Explanation:

No answer description available for this question

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62. 

How many product terms can a MAX+Plus II compiler borrow from adjacent macrocells in the same LAB?

A. 0
B. 5
C. 10
D. 20

Answer: Option B

Explanation:

No answer description available for this question.

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63. 

   

What is an OTP device?

A. Optical transporting port
B. Octal transmitting pixel
C. Operational topical portable
D. One-time programmable

Answer: Option D

Explanation:

No answer description available for this question.

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64. 

A GAL is essentially a ________.

A. non-reprogrammable PAL
B. PAL that is programmed only by the manufacturer
C. very large PAL
D. reprogrammable PAL

Answer: Option D

Explanation:

No answer description available for this question. 

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