Microprocessor The output data lines of microprocessor and memories are usually tristated because It increases the speed of data transfer over the data bus More than one device can transmit over the data bus at the same time 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 It increases the speed of data transfer over the data bus More than one device can transmit over the data bus at the same time 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 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following ICs is used to interface keyboard and display? 8279 8259 8253 8251 8279 8259 8253 8251 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 name/names of the 16 bit registers is/are none of these. both A and B. program counter. stack pointer. none of these. both A and B. program counter. stack pointer. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following pair of gates can form a latch? A pair of cross coupled OR A pair of cross coupled NAND A cross coupled NAND/OR A pair of cross copled AND A pair of cross coupled OR A pair of cross coupled NAND A cross coupled NAND/OR A pair of cross copled AND ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The correct sequence of steps in the instruction cycle of a basic computer is Fetch, Read effective address, Decode and Execute. Fetch, Execute, Decode and Read effective address. Read effective address, Decode, Fetch and Execute. Fetch, Decode, Read effective address and, Execute. Fetch, Read effective address, Decode and Execute. Fetch, Execute, Decode and Read effective address. Read effective address, Decode, Fetch and Execute. Fetch, Decode, Read effective address and, Execute. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is not a general purpose peripheral? Programmable CRT controller I/O port Programmable interval timer Programmable interrupt controller Programmable CRT controller I/O port Programmable interval timer Programmable interrupt controller ANSWER DOWNLOAD EXAMIANS APP
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