Microprocessor Assertion(A): The frequency of 8085 system is ½ of the crystal frequency. Reason(R): Microprocessor (8085) requires a two phase clock. A is true but R is false Both A & R are true but R is not the correct explanation of A Both A & R are true and R is the correct explanation of A A is false but R is true A is true but R is false Both A & R are true but R is not the correct explanation of A Both A & R are true and R is the correct explanation of A A is false but R is true ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack is nothing but a set of reserved RAM address space reserved ROM address space reserved I/O address space None of these reserved RAM address space reserved ROM address space reserved I/O address space None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register? 1, 2 and 3 1, 2 and 4 2, 3 and 4 1, 3 and 4 1, 2 and 3 1, 2 and 4 2, 3 and 4 1, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor After RESET 8255 will be in unchanged condition mode 2 mode 0; all ports are output mode 0; all ports are input unchanged condition mode 2 mode 0; all ports are output mode 0; all ports are input 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 and 2 only 1, 2, 3 and 4 3 and 4 only 1, 2 and 3 1 and 2 only 1, 2, 3 and 4 3 and 4 only 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The timing difference between a slow memory and fast processor can be resolved if Neither A nor B External buffer is used Either A or B Processor is capable of waiting Neither A nor B External buffer is used Either A or B Processor is capable of waiting ANSWER DOWNLOAD EXAMIANS APP