Microprocessor After RESET 8255 will be in mode 0; all ports are output mode 2 mode 0; all ports are input unchanged condition mode 0; all ports are output mode 2 mode 0; all ports are input unchanged condition ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The control flags in 8086 are: the direction flag(DF). the Trap flag(TF). the interrupt flag(IF). All of these the direction flag(DF). the Trap flag(TF). the interrupt flag(IF). All of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The instruction set of a microprocessor is specified by the user cannot be changed by the user is stored inside the microprocessor is specified by the manufacturers is specified by the user cannot be changed by the user is stored inside the microprocessor is specified by the manufacturers 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? 3 and 4 only 1, 2 and 3 1, 2, 3 and 4 1 and 2 only 3 and 4 only 1, 2 and 3 1, 2, 3 and 4 1 and 2 only ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLT opcode means store result in memory. load data to accumulator. end of program. load accumulator with contents of register. store result in memory. load data to accumulator. end of program. load accumulator with contents of register. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as flags shift registers counters latches flags shift registers counters latches ANSWER DOWNLOAD EXAMIANS APP