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Microprocessor

Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 244
 245
 247
 246

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Microprocessor
What is mean by ALU

 Arithmetic logic unit
 Arithmetic local unsigned
 Arithmetic logic unsigned
 Arithmetic logic upgrade

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Microprocessor
In 8085 microprocessor which one of the following statement is wrong

 serial I/O is not possible
 there is a pin available for serial input
 serial I/O is possible through SIM and RIM instruction
 there is a pin available for serial output

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Microprocessor
Which components are NOT found on chip in a microprocessor but may be found on chip in a microcontroller?

 EPROM, USART & PORTS
 EPROM & PORTS
 SRAM, EPROM & PORTS
 SRAM & USART

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 conditional interrupts
 software interrupts
 logical interrupts
 hardware interrupts

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Microprocessor
An 8-bit microprocessor signifies that

 8-bit data bus
 8-interrupt lines
 8-bit address bus
 8-bit controller

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