01․ Which one of the following statement is false?
A microprocessor has unidirectional address bus.
02․ Identify the non-maskable interrupt from the following
One and only non-maskable interrupt in 8085 microprocessor is TRAP which is also known as RST 4.5
03․ In microprocessor based system DMA refers to
When more data is to be transferred between memory and I/O device DMA operation is used with the help of DMA controller.
04․ The interrupt facility is provided in microprocessor to
Interrupt facility is provided in the microprocessor to change the sequence of the instructions being executed.
05․ A microprocessor differentiates between op code, data/address at any time by
A microprocessor differentiates between op code, data/address at any time by the sequence in which memory contents are fetched by it.
06․ A microprocessor without the interrupt facility
Interrupt facility is mandatory for any process control system to have proper control on the system.
07․ In microprocessor based system I/O ports are used to interface
In microprocessor based system I/O ports are used to interface all the I/O devices.
08․ The stack pointer
Stack pointer is nothing but the register which holds the address of the top of the stack, resides within the microprocessor.
09․ In a microprocessor based system the stack is always in
In a microprocessor based system the stack is always in Random Access Memory (RAM).
10․ The instruction set of a microprocessor
The instruction set of a microprocessor is specified by the manufacturers.
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