Microprocessor Total number of modes the 8253 can work 6 8 4 12 6 8 4 12 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following circuits transmits two messages simultaneously in one direction Simplex Quadruplex Diplex Duplex Simplex Quadruplex Diplex Duplex ANSWER DOWNLOAD EXAMIANS APP
Microprocessor PUSH B instruction in 8085 microprocessor causes the contents of register B only to be copied in the stack registers B & C to be cleared the contents of registers B & C to be transferred in the stack and and the registers get cleared the contents of register B & C to be copied in the stack the contents of register B only to be copied in the stack registers B & C to be cleared the contents of registers B & C to be transferred in the stack and and the registers get cleared the contents of register B & C to be copied in the stack 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. 2 Khz. 2 Mhz. 1Khz. 8 Mhz. 2 Khz. 2 Mhz. 1Khz. 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 11000100 01000000 00000100 010001000 11000100 01000000 00000100 010001000 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Each instruction in an assembly language program has the following fields 1. Label field 2. Mnemonic field 3. Operand field 4. Comment field What are the correct sequence of these fields? 1, 3, 2 and 4 2, 4, 1 and 3 1, 2, 3 and 4 2, 1, 4 and 3 1, 3, 2 and 4 2, 4, 1 and 3 1, 2, 3 and 4 2, 1, 4 and 3 ANSWER DOWNLOAD EXAMIANS APP