What is an os and what are its functions?
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Give two ways of converting a two input NAND gate to an inverter ?
List some features of 8051 microcontroller.
What is PSW?
Does 8085 have serial i/o control?
List out addressing modes in mcs-51?
What number of the times the instruction sequence below will loop before coming out of loop is MOV AL, 00hA1: INC AL JNZ A1
What are wait states in microprocessors?
Which type of JMP instruction assembles if the distance is 0020h bytes
Explain briefly the string addressing mode with the help of an example?
How many memory locations can be addressed by a microprocessor with 14 address lines?
Why memory width is not 16-bit? In stead of having 8-bit (same as 8085)?
What is non-maskable interrupts?