Microprocessor After RESET 8255 will be in mode 0; all ports are output mode 0; all ports are input mode 2 unchanged condition mode 0; all ports are output mode 0; all ports are input mode 2 unchanged condition ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions? Program Counter. Stack Pointer. H-L. D-E. Program Counter. Stack Pointer. H-L. D-E. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode? 6 10 8 4 6 10 8 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The relation among IC (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is EC = IC + FC IC = FC + EC IC = FC + 2EC IC = FC - EC EC = IC + FC IC = FC + EC IC = FC + 2EC IC = FC - EC ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? 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 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 ANSWER DOWNLOAD EXAMIANS APP