What is PSW?
- 11 Answers
- 52673 Views
- DRDO, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / geo
program status word.... a reg in the
microcontroller/microprocessor s showing the current current
status of alu operation
eg: if a carry is generated after an alu operation ,the
corresponding carry flag bit in this reg will set 1.
like if the result is a zero, then the zero flag is set...
| Is This Answer Correct ? | 85 Yes | 25 No |
Answer / saravanan
PSW is program status word. it contains various flags like
sign, zero, carry, auxillary carry, and parity . these
flags are affected by result of ALU.
| Is This Answer Correct ? | 28 Yes | 8 No |
Answer / 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 |
Answer / santhoshi
The Program Status Word (PSW) contains status bits that
reflect the current CPU state
| Is This Answer Correct ? | 8 Yes | 4 No |
Answer / noor
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.
| Is This Answer Correct ? | 8 Yes | 7 No |
Answer / md riyaz alam
program status word.... a reg in the
microcontroller/microprocessor s showing the current current
status of alu operation
eg: if a carry is generated after an alu operation ,the
corresponding carry flag bit in this reg will set 1.
like if the result is a zero, then the zero flag is set...
| Is This Answer Correct ? | 13 Yes | 13 No |
Answer / hamza khan
Outcome of the last arithmetic operation (zero,-ve, +ve, overflow, carry)
| Is This Answer Correct ? | 0 Yes | 2 No |
Answer / nandhini. r
PSW is a 8-bit register. 5 bit indicates status of 5 flags.
3 bits are user definable.
| Is This Answer Correct ? | 23 Yes | 28 No |
Answer / dhananjay mishra
In computer ,the program status word is an area of memory or a hardware register which contains information about program stateused by the operating system and the underlying hardware.It will normally include a pointer(address)to the next instruction to be executed.
| Is This Answer Correct ? | 3 Yes | 8 No |
Can an rc circuit be used as clock source for 8085?
Describe the instruction register of 8085?
Name the unit that controls the sequential execution of instructions?
How can the signals of the 8086 be categorised?
Why is the address bus in the 8085 tri-stated and unidirectional?
Logic calculations are done in which type of registers?
What is meant by priority of interrupt?
What type of interrupt is the “trap” and what does it do?
After a pop instruction where does the stack pointer points?
Where can we find the sample assembly language programs?
What is the operating frequency of 8085?
What does quality factor mean?
86 Family 
