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

 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 have 8-bit address line
 Devices are accessed using IN and OUT instructions

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
Assertion(A): Segment override prefix (SOP) is used when a default offset register is not used with its default base segment register but with a different base register. Reason(R): The offset registers IP and SP can never be associated with any other segment registers apart from their respective default segments.

 A is true but R is false.
 A is false but R is true.
 Both A & R are true and R is the correct explanation of A.
 Both A & R are true but R is not the correct explanation of A.

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
Assertion(A): Monostablemultivibrators (IC74121) are used in a microprocessor based system for frequency measurement. Reason(R): Microprocessor counts the number of interrupt signals/second or within a specified interval through ISR.

 A is true but R is false.
 A is false but R is true.
 Both A & R are true but R is not the correct explanation of A.
 Both A & R are true and R is the correct explanation of A.

ANSWER DOWNLOAD EXAMIANS APP