Checking of LCD status at interfacing level

Q.  Which is the an alternative mechanism of preventing the software to be dependent on several delay factors along with an optimum time proficiency of checking LCD status at the interfacing level?
- Published on 12 Nov 15

a. Polling of DB7 bit of the data bus
b. Updating the faster display in less time
c. Generalization of clock frequency and display module
d. All of the above

ANSWER: Polling of DB7 bit of the data bus

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