1. ROM is a read/write memory
2. PC points to the last instruction that was executed
3. Stack works on the principle of LIFO
4. All instructions affect the flags.
Stack works on the principle of LIFO
1. 15, 4
2. 6, 4
3. 7, 2
4. 4, 6.
4, 6.
1. I/O devices have 8-bit addresses
2. I/O devices are accessed using IN and OUT instructions
3. There can be a maximum of 256 input devices and 256 output devices
4. Arithmetic and logic operations can be directly performed with the I/O data.
Arithmetic and logic operations can be directly performed with the I/O data.
1. 2050, 0FFC
2. 2251, 0FFC
3. 1025, 0CCF
4. 1025, 0CCF.
2050, 0FFC
1. PROM contains a programmable AND array and a fixed OR array
2. PLA contains a fixed AND array and a programmable OR array
3. PROM contains a fixed AND array and a programmable OR array
4. PLA contains a programmable AND array and a programmable OR array.
PROM contains a fixed AND array and a programmable OR array
1. 0
2. 1
3. 32,767
4. 65,767.
32,767
1. Accumulator
2. Program counter
3. Stack pointer
4. Instructor register.
Program counter
1. Make the processor wait during a DMA operation
2. Make the processor wait during a power interrupt processing
3. Make the processor wait during a power shutdown
4. Interface slow peripherals to the processor.
Interface slow peripherals to the processor.
1. 279
2. 229
3. 427
4. 3000.
229
1. 8
2. 9
3. 10
4. 11
9