Microprocessor A microprocessor is ALU register unit and control unit on a single chip. and memory on a single chip. and control unit on a single chip. register unit and I/O device on a single chip. register unit and control unit on a single chip. and memory on a single chip. and control unit on a single chip. register unit and I/O device on a single chip. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following? Machine cycle Memory cycle Clock cycle Instruction cycle Machine cycle Memory cycle Clock cycle Instruction cycle 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 2 Khz. 2 Mhz. 8 Mhz. 1Khz. 2 Khz. 2 Mhz. 8 Mhz. 1Khz. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor ________is the only non-vectored interrupt in 8085 microprocessor. RST 7 RST 5.5 TRAP INTR RST 7 RST 5.5 TRAP INTR ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): Monostablemultivibrators (IC74121) are used in a microprocessor based system for frequency measurement. Reason(R): Microprocessor counts the number of interrupt signals/second or within a specified interval through ISR. A is false but R is true. Both A & R are true but R is not the correct explanation of A. A is true but R is false. Both A & R are true and R is the correct explanation of A. A is false but R is true. Both A & R are true but R is not the correct explanation of A. A is true but R is false. Both A & R are true and R is the correct explanation of A. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many bytes in a zero memory page should be reserved for vectors used by RST instructions? 128. 32. 64. 16. 128. 32. 64. 16. ANSWER DOWNLOAD EXAMIANS APP