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 and 2 only 3 and 4 only 1, 2, 3 and 4 1, 2 and 3 1 and 2 only 3 and 4 only 1, 2, 3 and 4 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLT opcode means 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. store result in memory. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is 20 16 12 8 20 16 12 8 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 which addressing mode is also called inherent addressing? Implicit Direct Immediate Register Implicit Direct Immediate Register ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following statements for intel 8085 is correct? PC specifies the number of instructions executed so far Program Counter (PC) specifies the address of the instruction last executed PC specifies the address of the instruction to be executed PC specifies the address of the instruction being executed PC specifies the number of instructions executed so far Program Counter (PC) specifies the address of the instruction last executed PC specifies the address of the instruction to be executed PC specifies the address of the instruction being executed ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value? CLR A SUB A ORA A MOV A, 00H CLR A SUB A ORA A MOV A, 00H ANSWER DOWNLOAD EXAMIANS APP
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