Microprocessor Number of Hex digits needed to represent the 20-bit address of a memory location are 16 5 4 20 16 5 4 20 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are all bits reset (i.e. 00H) same as the content of A7-A0 irrelevant all bits set (i.e. FFH) all bits reset (i.e. 00H) same as the content of A7-A0 irrelevant all bits set (i.e. FFH) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor DMA is used between none microprocessor and I/O microprocessor and memory memory and I/O none microprocessor and I/O microprocessor and memory memory and I/O 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
Microprocessor For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2]. The same as Cannot be determined Less than Greater than The same as Cannot be determined Less than Greater than ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The output data lines of microprocessor and memories are usually tristated because More than one device can transmit over the data bus at the same time More than one device can transmit information over the data bus by enabling only one device at a time It increases the speed of data transfer over the data bus The data line can be multiplexed for both input and output More than one device can transmit over the data bus at the same time More than one device can transmit information over the data bus by enabling only one device at a time It increases the speed of data transfer over the data bus The data line can be multiplexed for both input and output ANSWER DOWNLOAD EXAMIANS APP
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