Microprocessor In 8085 microprocessor which one of the following statement is wrong 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 serial I/O is possible through SIM and RIM instruction ANSWER DOWNLOAD EXAMIANS APP
Microprocessor At the beginning of a fetch cycle, the contents of the program counter are transferred to address bus. incremented by one. transferred to memory data register. transferred to memory address register . transferred to address bus. incremented by one. transferred to memory data register. transferred to memory address register . ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While using a frequency counter for measuring frequency, two modes of measurement are possible: Period time Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4MHz, the crossover frequency is given by 8 Mhz. 1Khz. 2 Mhz. 2 Khz. 8 Mhz. 1Khz. 2 Mhz. 2 Khz. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The word size of 8085 microprocessor is 4-bit 16-bit 20-bit 8-bit 4-bit 16-bit 20-bit 8-bit ANSWER DOWNLOAD EXAMIANS APP
Microprocessor After RESET 8255 will be in unchanged condition mode 2 mode 0; all ports are input mode 0; all ports are output unchanged condition mode 2 mode 0; all ports are input mode 0; all ports are output ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Program counter in a digital computer Points the memory address of the next instruction to be fetched. Counts the number of times the loops are executed. Counts the numbers of programs run in the machine. Counts the number of times a subroutine is called. Points the memory address of the next instruction to be fetched. Counts the number of times the loops are executed. Counts the numbers of programs run in the machine. Counts the number of times a subroutine is called. ANSWER DOWNLOAD EXAMIANS APP
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