Microprocessor Which one of the following ICs is used to interface keyboard and display? 8259 8251 8253 8279 8259 8251 8253 8279 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While STC instruction executes, 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. only carry flag will be affected. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many segments are there in 8086? 2. 6. 3. 4. 2. 6. 3. 4. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The addressing mode in instruction PUSH B is direct register indirect immediate register direct register indirect immediate register ANSWER DOWNLOAD EXAMIANS APP
Microprocessor If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory) Doubles Increases by 2^(address bits)/addressability Halves Remains unchanged Doubles Increases by 2^(address bits)/addressability Halves Remains unchanged 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 It increases the speed of data transfer over the data bus More than one device can transmit information over the data bus by enabling only one device at a time 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 It increases the speed of data transfer over the data bus More than one device can transmit information over the data bus by enabling only one device at a time The data line can be multiplexed for both input and output ANSWER DOWNLOAD EXAMIANS APP
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