Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? Devices have 8-bit address line There can be maximum of 256 input devices and 256 output devices Arithmetic and logic operations can be directly performed with the I/O data Devices are accessed using IN and OUT instructions Devices have 8-bit address line There can be maximum of 256 input devices and 256 output devices 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 Identify the programmable DMA controller from the following 8253 8257 8279 8251 8253 8257 8279 8251 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A microprocessor without the interrupt facility is not useful for process control system is best suited for process control system cannot be used for DMA operation cannot be interfaced with any I/O devices is not useful for process control system is best suited for process control system cannot be used for DMA operation cannot be interfaced with any I/O devices ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While CMP B instruction executes, only carry flag will be affected. only carry and zero flags will be affected. all flags will be affected. no flags will be affected. only carry flag will be affected. only carry and zero flags will be affected. all flags will be affected. no flags will be affected. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which instruction is required to rotate the content of accumulator one bit right along with carry? RAL RRC RAR RLC RAL RRC RAR RLC ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The data lines of 8085 microprocessor are multiplexed with status lines None of these higher order address lines lower order address lines status lines None of these higher order address lines lower order address lines ANSWER DOWNLOAD EXAMIANS APP
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