1. to provide additional memory to the base memory
2. to save return addresses of a subroutine
3. to save the status of the microprocessor
4. none of these
to save return addresses of a subroutine
1. zero address microprocessor
2. one address microprocessor
3. two address microprocessor
4. none of these
one address microprocessor
1. multiply by 2
2. divide by 2
3. SET the most significant bit
4. none of these
multiply by 2
1. speed compatibility of microprocessor with perip-herals
2. the time critical behavior of the application
3. the size of program required to implement certain functions
4. all of these
all of these
1. IO/M
2. Status signals
3. ALE
4. HOLD and HLDA
ALE
1. IO/M
2. READY
3. HOLD and HLDA
4. RD and WR
HOLD and HLDA
1. store address of the next instruction to be executed
2. store temporary data to be used in arithmetic operations
3. store the status of the microprocessor
4. none of these
store address of the next instruction to be executed
1. ALE signal
2. HOLD signal
3. READY signal
4. none of these
READY signal
1. number of address lines
2. number of data signal
3. instruction set
4. number of interrupt
number of interrupt
1. accumulator contents
2. flags
3. both accumulator and flag
4. status bits
both accumulator and flag