Microprocessor Which one of the following ICs is used to interface keyboard and display? 8279 8251 8253 8259 8279 8251 8253 8259 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The output data lines of microprocessor and memories are usually tristated because More than one device can transmit information over the data bus by enabling only one device at a time More than one device can transmit over the data bus at the same 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 information over the data bus by enabling only one device at a time More than one device can transmit over the data bus at the same 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
Microprocessor During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction. Bus Interface Unit (BIU) Both ‘c’ and ‘d’ Execution Unit (EU) None of these Bus Interface Unit (BIU) Both ‘c’ and ‘d’ Execution Unit (EU) None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor RST 3 instruction will cause the processor to branch to the location 0018H 0024H 0028H 0000H 0018H 0024H 0028H 0000H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable. DOUBLEWORD (32 bits) NIBBLE WORD (16 bits) BYTE DOUBLEWORD (32 bits) NIBBLE WORD (16 bits) BYTE ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be 00000100 010001000 01000000 11000100 00000100 010001000 01000000 11000100 ANSWER DOWNLOAD EXAMIANS APP
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