Microprocessor CALL instruction is a ______ instruction. 1 bytes 2 bytes 4 bytes 3 bytes 1 bytes 2 bytes 4 bytes 3 bytes ANSWER DOWNLOAD EXAMIANS APP
Microprocessor _____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts. DI EI SIM RIM DI EI SIM RIM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The microprocessor issues ALE during first T-state of every machine cycle memory WRITE cycle only memory READ cycle only fetch cycle only every machine cycle memory WRITE cycle only memory READ cycle only fetch cycle only ANSWER DOWNLOAD EXAMIANS APP
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 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 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The data bus of any microprocessor is always None Unidirectional Either unidirectional or bi-directional Bi-directional None Unidirectional Either unidirectional or bi-directional Bi-directional ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register? 1, 2 and 4 2, 3 and 4 1, 3 and 4 1, 2 and 3 1, 2 and 4 2, 3 and 4 1, 3 and 4 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP