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 Assertion(A): Ready signal of microprocessor is used to detect whether a peripheral is ready for the data transfer or not. Reason(R): In the microprocessor during data transfer operations, the wait states are added by forcing the ready signal low. A is true but R is false. Both A & R are true and R is the correct explanation of A. Both A & R are true but R is not the correct explanation of A . A is false but R is true. A is true but R is false. Both A & R are true and R is the correct explanation of A. Both A & R are true but R is not the correct explanation of A . A is false but R is true. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The first machine cycle of an instruction is always A fetch cycle A memory read cycle A memory write cycle An I/O read cycle A fetch cycle A memory read cycle A memory write cycle An I/O read cycle 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, 3 and 4 1, 2 and 3 1 and 2 only 3 and 4 only 1, 2, 3 and 4 1, 2 and 3 1 and 2 only ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the programmable interval timer from the following 8279 8252 8253 8275 8279 8252 8253 8275 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode? 4 6 8 10 4 6 8 10 ANSWER DOWNLOAD EXAMIANS APP
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