Answer Posted / mahim nimbawat
PSW stands for Program Status Word, it is 16-bits hardware
register that maintains the status of program being
executed. It shows the current status of ALU operation.
[psw]<- [A]+[flag]
| Is This Answer Correct ? | 21 Yes | 6 No |
Post New Answer View All Answers
Define the functions of the dx register.
Describe the jae instruction with the help of an example?
How many bits microprocessor was first developed?
List some 8051 microcontroller applications in embedded systems ?
Classify interrupts on the basis of signals.
Does alu have any storage facility?
Why the temporary registers w and z are named so I mean we start from a,b,c,d,e then h and l coz h stands for higher bit nd l for lower bit of the address pinted by memory pointer....but wats w and z for?
What is the difference between isr & function call?
When is the LOCK prefix used often?
State the two type of 16 bit registers and define them?
Explain an interrupt?
What is lst file?
What are wait states in microprocessors?
Explain the architecture of 8051 microcontroller ?
Which are the different data transfer schemes?
