Microprocessor
SUB A instruction in 8085

 reset carry and sign flags
 reset zero and parity flags
 sets zero and carry flags
 sets zero and sign flags

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

ANSWER DOWNLOAD EXAMIANS APP