Microprocessor The reason for the presence of ALE pin in 8085, but not in 6800 is that 8085 has multiplexed bus, whereas 6800 does not have None 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O 8085 has 5 interrupts lines, whereas 6800 has only two 8085 has multiplexed bus, whereas 6800 does not have None 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O 8085 has 5 interrupts lines, whereas 6800 has only two ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The relation among IC (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is EC = IC + FC IC = FC + 2EC IC = FC - EC IC = FC + EC EC = IC + FC IC = FC + 2EC IC = FC - EC IC = FC + EC ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? Devices are accessed using IN and OUT instructions Arithmetic and logic operations can be directly performed with the I/O data Devices have 8-bit address line There can be maximum of 256 input devices and 256 output devices Devices are accessed using IN and OUT instructions Arithmetic and logic operations can be directly performed with the I/O data Devices have 8-bit address line There can be maximum of 256 input devices and 256 output devices ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following statements for intel 8085 is correct? Program Counter (PC) specifies the address of the instruction last executed PC specifies the number of instructions executed so far PC specifies the address of the instruction being executed PC specifies the address of the instruction to be executed Program Counter (PC) specifies the address of the instruction last executed PC specifies the number of instructions executed so far PC specifies the address of the instruction being executed PC specifies the address of the instruction to be executed ANSWER DOWNLOAD EXAMIANS APP
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 A is false but R is true 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 true but R is false A is false but R is true 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 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor ‘Burst refresh’ in DRAM is also called Concentrated refresh Distributed refresh Hidden refresh None of these Concentrated refresh Distributed refresh Hidden refresh None of these ANSWER DOWNLOAD EXAMIANS APP
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