1.

External Access is used to permit ____________(a) Peripherals(b) Power supply(c) ALE(d) Memory interfacingI got this question during an interview for a job.The origin of the question is Microcontroller (8051) topic in division Prototyping Embedded Devices of IOT

Answer»

Right choice is (d) Memory interfacing

For explanation I would say: External Access input is employed to PERMIT or PROHIBIT outer memory interfacing. If there is no outer memory needed, this PIN is dragged by LINKING it to Vcc.



Discussion

No Comment Found

Related InterviewSolutions