Question 1

Shift registers are often used for tracking parts on a production line.

Accepted Answer

A) True 
 B)False

Question 2

When the sequencer position parameter reaches 4,the ____ bit is set to 1.

Accepted Answer

A)  Control
B)  EN
C)  DN
D)  all of theseE) All of the above
F) A) and B)

Question 3

Which of the following would not be classified as a sequencer switch?

Accepted Answer

A)  Rotary switch
B)  Pressure switch
C)  Drum switch
D)  Stepper switchE) B) and C)
F) A) and D)

Question 4

For the SQO instruction shown,the ____ is the starting address for the registers that contain the data to be transferred.

Accepted Answer

A)  File
B)  Control
C)  Mask
D)  LengthE) A) and B)
F) A) and C)

Question 5

is shifted automatically through the register from one bit address to the next.

Accepted Answer

A) True 
 B)False

Question 6

The file word selectively screens out data from the sequencer word file to the output word.

Accepted Answer

A) True 
 B)False

Question 7

Sequencer instructions are normally nonretentive.

Accepted Answer

A) True 
 B)False

Question 8

The sequencer instruction shown,controls ____ bits of output word O:2:

Accepted Answer

A)  2
B)  6
C)  10
D)  15E) A) and C)
F) B) and D)

Question 9

The sequencer input instruction shown is true whenever the unmasked input data are ____ the data stored in the sequencer file.

Accepted Answer

A)  matched to
B)  greater than
C)  less than
D)  greater than or equal toE) A) and C)
F) B) and D)

Question 10

A bit shift register operates synchronously in that:

Accepted Answer

A)  information is shifted one bit at a time within a word or words.
B)  for every bit shifted in,one is shifted out.
C)  the data entered must be shifted the length of the register before it is available to be shifted out.
D)  all of these.E) A) and C)
F) All of the above

Question 11

The sequencer control parameter is where the status bits,length,and instantaneous position are stored.
DIF: 245

Accepted Answer

A) True 
 B)False

Question 12

A single sequencer instruction may have an upper limit on:

Accepted Answer

A)  the number of steps that can be programmed.
B)  the number of external outputs that can be programmed.
C)  the number of times the operating cycle can be actuated.
D)  both a and b.E) A) and B)
F) All of the above

Question 13

When a sequencer operates on an entire output word,all outputs associated with the word are required to be controlled by the sequencer.

Accepted Answer

A) True 
 B)False

Question 14

For the SQO instruction shown,the ____ bit is set after the last word in the sequencer file is transferred.

Accepted Answer

A)  Position
B)  Control
C)  EN
D)  DNE) B) and D)
F) C) and D)

Question 15

To program a sequencer,binary information is entered into a number of random memory bits.

Accepted Answer

A) True 
 B)False

Question 16

The sequencer load instruction shown:

Accepted Answer

A)  does not function during the machines normal operation.
B)  replaces manual loading of data into the sequencer file.
C)  does not use a mask.
D)  all of these.E) A) and B)
F) A) and C)

Question 17

For the SQO instruction shown,the ____ is the address of the word used to selectively screen out data.

Accepted Answer

A)  File
B)  Length
C)  Mask
D)  DestinationE) All of the above
F) C) and D)

Question 18

In this example the data at position ____ matches the unmasked input data making the PL1 output ____.

Accepted Answer

A)  2,true
B)  2,false
C)  4,true
D)  4,falseE) B) and C)
F) All of the above

Question 19

As the sequencer advances through the steps,data is transferred:

Accepted Answer

A)  through the sequencer file from B3:0 to B3:4.
B)  through the sequencer file from B3:4 to B3:0.
C)  from the output word to the sequencer file.
D)  from the sequencer file to the output word.E) B) and C)
F) A) and B)

Question 20

For the sequencer instruction shown,all unmasked bits:

Accepted Answer

A)  can be used elsewhere in the program.
B)  cannot be used elsewhere in the program.C) A) and B)
D) undefined

Exam 12: Sequencer and Shift Register Instructions

To program a sequencer,binary information is entered into a number of random memory bits.

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A single sequencer instruction may have an upper limit on:

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The sequencer instruction shown,controls ____ bits of output word O:2:

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is shifted automatically through the register from one bit address to the next.

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The sequencer load instruction shown:

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When the sequencer position parameter reaches 4,the ____ bit is set to 1.

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The sequencer input instruction shown is true whenever the unmasked input data are ____ the data stored in the sequencer file.

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For the sequencer instruction shown,all unmasked bits:

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A bit shift register operates synchronously in that:

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The sequencer control parameter is where the status bits,length,and instantaneous position are stored. DIF: 245

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Shift registers are often used for tracking parts on a production line.

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For the SQO instruction shown,the ____ is the starting address for the registers that contain the data to be transferred.

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As the sequencer advances through the steps,data is transferred:

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In this example the data at position ____ matches the unmasked input data making the PL1 output ____.

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For the SQO instruction shown,the ____ bit is set after the last word in the sequencer file is transferred.

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When a sequencer operates on an entire output word,all outputs associated with the word are required to be controlled by the sequencer.

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Which of the following would not be classified as a sequencer switch?

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For the SQO instruction shown,the ____ is the address of the word used to selectively screen out data.

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The file word selectively screens out data from the sequencer word file to the output word.

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Sequencer instructions are normally nonretentive.

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In this example the data at position matches the unmasked input data making the PL1 output .

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