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The operation that can be performed on control word register is

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in Microprocessor by (39.4k points)
The operation that can be performed on control word register is

(a) read operation

(b) write operation

(c) read and write operations

(d) none

This question was posed to me during an online interview.

Enquiry is from Programmable Interval Timer 8254 in division Special Purpose Programmable Peripheral devices and their Interfacing of Microprocessor

1 Answer

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by (49.2k points)
Correct option is (b) write operation

Best explanation: The control word register can only be written and cannot be read.

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