Microprocessor DMA is used between microprocessor and I/O memory and I/O none microprocessor and memory microprocessor and I/O memory and I/O none microprocessor and memory ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In an intel 8085A, which is the first machine cycle of an instruction? A memory write cycle A memory read cycle An op-code fetch cycle An I/O read cycle A memory write cycle A memory read cycle An op-code fetch cycle An I/O read cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A mask programmed ROM is erasable and programmable programmed at the time of fabrication programmed by the user erasable electrically erasable and programmable programmed at the time of fabrication programmed by the user erasable electrically 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 are accessed using IN and OUT instructions 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 Devices have 8-bit address line Arithmetic and logic operations can be directly performed with the I/O data ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a vector interrupt the interrupting source supplies the branch information to the processor through an interrupt vector. the branch address is obtained from a register in the processor. none. the branch address is assigned to a fixed location in memory. the interrupting source supplies the branch information to the processor through an interrupt vector. the branch address is obtained from a register in the processor. none. the branch address is assigned to a fixed location in memory. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the communication interfacing device from the following 8251 8257 8255 8155 8251 8257 8255 8155 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS