Microprocessor When an 8085 microprocessor is reset, the address bus contains 0000H 002CH 003CH 0043H 0000H 002CH 003CH 0043H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): The frequency of 8085 system is ½ of the crystal frequency. Reason(R): Microprocessor (8085) requires a two phase clock. A is true but R is false Both A & R are true and R is the correct explanation of A A is false but R is true Both A & R are true but R is not the correct explanation of A A is true but R is false Both A & R are true and R is the correct explanation of A A is false but R is true Both A & R are true but R is not the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How can we make any bit of a register “1”? AND that bit with “1” and remaining bits with “0”. OR that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. AND that bit with “0” and remaining bits with “1”. AND that bit with “1” and remaining bits with “0”. OR that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. AND that bit with “0” and remaining bits with “1”. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? There can be maximum of 256 input devices and 256 output devices Devices have 8-bit address line Arithmetic and logic operations can be directly performed with the I/O data Devices are accessed using IN and OUT instructions There can be maximum of 256 input devices and 256 output devices Devices have 8-bit address line Arithmetic and logic operations can be directly performed with the I/O data Devices are accessed using IN and OUT instructions ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): Ready signal of microprocessor is used to detect whether a peripheral is ready for the data transfer or not. Reason(R): In the microprocessor during data transfer operations, the wait states are added by forcing the ready signal low. A is false but R is true. Both A & R are true but R is not the correct explanation of A . A is true but R is false. Both A & R are true and R is the correct explanation of A. A is false but R is true. Both A & R are true but R is not the correct explanation of A . A is true but R is false. Both A & R are true and R is the correct explanation of A. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode? 4 8 6 10 4 8 6 10 ANSWER DOWNLOAD EXAMIANS APP