Siemens Level 1 questions with complete solutions

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Siemens Level 1 questions with complete solutions

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Institution PLC

Course PLC

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Siemens Level 1 questions with complete solutions

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Siemens Level 1 questions with complete
solutions

The basic function of a PLC is to... - answer-... accept inputs, make logical decisions,
c c c c c c c c c c c c c c

and send outputs.
c c c

The basic difference between a PLC and a relay control system is that ... - answer-...
c c c c c c c c c c c c c c c

one uses relay control logic and the other uses programmed instructions.
c c c c c c c c c c c

-| |- - answer-... can be thought of as a contact that is usually opened.
c c c c c c c c c c c c c c

-( )- - answer-... imaginary coil that, when energized, will activate a digital output contact.
c c c c c c c c c c c c c c

Determine the number of possible combinations of a six digit binary number. - answer-64
c c c c c c c c c c c c c

combinations
c

A device used to convert a binary number to a 7-segment display format is ... - answer-...
c c c c c c c c c c c c c c c c

a decoder
c c

The largest decimal number that can be represented with eleven binary bits is ... -
c c c c c c c c c c c c c c

answer-... 2047.
c c

The binary number 1010 0111 1100 0101 can be written in hexadecimal as ... - answer-
c c c c c c c c c c c c c c c

A7C5

The conversion of the decimal number 156 to 8421 BCD is... - answer-0001 0101 0110
c c c c c c c c c c c c c c

If a given memory unit consists of 2,400 bytes the memory capacity would be rated: -
c c c c c c c c c c c c c c c

canswer-19,200 bits c

Which of the following statements about a NAND gate are correct? - answer-If all inputs
c c c c c c c c c c c c c c

are 0, the output will be 1.
c c c c c c c

If one or more inputs are 0, the output will be 1.
c c c c c c c c c c c

If you want to know when one or both matching bits in two different words are logic '1'
c c c c c c c c c c c c c c c c c

cyou would use the ... - answer-... OR instruction.
c c c c c c c c

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Uploaded on: June 21, 2025
Number of pages: 2
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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