What is 8255?
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Other than setb, clr are there any single bit instructions?
List out the features of 8051 microcontroller?
What is the logical difference between move a to b and compute b = a?
Give examples for maskable interrupts?
Which 2 ports combine to form the 16 bit address for external memory access?
What is system bus?
Explain the significance of signal?
In what is the ready pin of a microprocessor used
What is the purpose of data moving instructions? Name any two such instructions?
The Pentium microprocessor has how many execution unit?
Why 8051 is called 8 bit microcontroller?
Explain dma?