Microprocessor In one’s complement 8 bit representation 11111111 represents -0 -1 1 +0 -0 -1 1 +0 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor ‘Burst refresh’ in DRAM is also called Concentrated refresh Hidden refresh None of these Distributed refresh Concentrated refresh Hidden refresh None of these Distributed refresh ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While INX B instruction execute, no flags will be affected only carry and zero flags will be affected all flags will be affected only carry flag will be affected no flags will be affected only carry and zero flags will be affected all flags will be affected only carry flag will be affected ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct? 1, 2, 3 and 4 1 and 2 only 1, 2 and 3 3 and 4 only 1, 2, 3 and 4 1 and 2 only 1, 2 and 3 3 and 4 only ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The data bus of any microprocessor is always Bi-directional None Either unidirectional or bi-directional Unidirectional Bi-directional None Either unidirectional or bi-directional Unidirectional ANSWER DOWNLOAD EXAMIANS APP
Microprocessor At the beginning of a fetch cycle, the contents of the program counter are transferred to memory address register . 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. ANSWER DOWNLOAD EXAMIANS APP
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