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Assembly Language
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Define HRQ?

The hold request output requests the access of the system bus. In non- cascaded 8257 systems, this is connected with HOLD pin of CPU. In cascade mode, this pin of a slave is connected with a DRQ input line of the master 8257, while that of the master...
Posted By:Jack Evans      Posted On: Apr 22

Assembly Language
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What is the use of stepper motor?

A stepper motor is a device used to obtain an accurate position control of rotating shafts. A stepper motor employs rotation of its shaft in terms of steps, rather than continuous rotation as in case of AC or DC motor.
Posted By:Helga Miller      Posted On: Nov 14

Assembly Language
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What is TXD?

TXD- Transmitter Data Output This output pin carries serial stream of the transmitted data bits along with other information like start bit, stop bits and priority bit.
Posted By:Harrison Evans      Posted On: Sep 04

Assembly Language
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What is RXD?

RXD- Receive Data Input This input pin of 8251A receives a composite stream of the data to be received by 8251A.
Posted By:Kuhlbert Schmidt      Posted On: Mar 15

Assembly Language
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What is meant by key bouncing?

Microprocessor must wait until the key reach to a steady state; this is known as Key bounce.
Posted By:Imelda Miller      Posted On: Aug 11

Assembly Language
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What is swapping?

The procedure of fetching the chosen program segments or data from the secondary storage into the physical memory is called ‘swapping’.
Posted By:Verena Fischer      Posted On: Mar 02

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