Microprocessor In microprocessor based system DMA refers to direct memory access for the user direct memory access for the I/O device direct memory access for microprocessor None of these direct memory access for the user direct memory access for the I/O device direct memory access for microprocessor None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLT opcode means store result in memory. load data to accumulator. load accumulator with contents of register. end of program. store result in memory. load data to accumulator. load accumulator with contents of register. end of program. 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 Mhz. 1Khz. 2 Khz. 8 Mhz. 2 Mhz. 1Khz. 2 Khz. 8 Mhz. 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 2, 1, 4 and 3 1, 2, 3 and 4 1, 3, 2 and 4 2, 4, 1 and 3 2, 1, 4 and 3 1, 2, 3 and 4 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 The instruction set of a microprocessor is specified by the user is stored inside the microprocessor cannot be changed by the user is specified by the manufacturers is specified by the user is stored inside the microprocessor cannot be changed by the user is specified by the manufacturers ANSWER DOWNLOAD EXAMIANS APP
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