Microprocessor
When referring to instruction words, a mnemonic is

 a short abbreviation for the operand address.
 a short abbreviation for the data word stored at the operand address.
 shorthand for machine language.
 a short abbreviation for the operation to be performed.

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
In 8085 microprocessor system with memory mapped I/O, which of the following is true?

 Devices have 8-bit address line
 There can be maximum of 256 input devices and 256 output devices
 Devices are accessed using IN and OUT instructions
 Arithmetic and logic operations can be directly performed with the I/O data

ANSWER DOWNLOAD EXAMIANS APP