Microprocessor An I/O processor controls the flow of information between Cache memory and I/O devices Two I/O devices Cache and main memory Main memory and I/O devices Cache memory and I/O devices Two I/O devices Cache and main memory Main memory and I/O devices ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following ICs is used to interface keyboard and display? 8251 8259 8279 8253 8251 8259 8279 8253 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, Decode, Read effective address and, Execute. Read effective address, Decode, Fetch and Execute. Fetch, Execute, Decode and Read effective address. Fetch, Read effective address, Decode and Execute. Fetch, Decode, Read effective address and, Execute. Read effective address, Decode, Fetch and Execute. Fetch, Execute, Decode and Read effective address. 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 01000000 010001000 00000100 11000100 01000000 010001000 00000100 11000100 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following statements: In 8085 microprocessor, data-bus and address bus are multiplexed in order to I)Increase the speed of microprocessor. II)Reduce the number of pins. III)Connect more peripheral chips. Which of these statements is/are correct? (II) only (I), (II) & (III) (II) & (III) (I) only (II) only (I), (II) & (III) (II) & (III) (I) only ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor which one of the following statement is wrong serial I/O is possible through SIM and RIM instruction serial I/O is not possible there is a pin available for serial output there is a pin available for serial input serial I/O is possible through SIM and RIM instruction serial I/O is not possible there is a pin available for serial output there is a pin available for serial input ANSWER DOWNLOAD EXAMIANS APP
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