Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? 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 Devices are accessed using IN and OUT instructions 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 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor? 1, 2, 5 1, 3, 5 2, 3, 5 1, 3, 4 1, 2, 5 1, 3, 5 2, 3, 5 1, 3, 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following I) Sign flag II) Trap flag III) Parity flag IV) Auxiliary carry flag. Which one of the above flags is/are present in 8085 microprocessor? (II) & (III) (I) only (I) & (II) (I) ,(III) & (IV) (II) & (III) (I) only (I) & (II) (I) ,(III) & (IV) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Let the content of register C be 00000000 before the instruction DCR C is executed. The content of register C after the after the execution of this instruction will be 00000001 None 00000000 11111111 00000001 None 00000000 11111111 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A structure that stores a number of bits taken “together as a unit” is a Register Decoder Gate Mux Register Decoder Gate Mux ANSWER DOWNLOAD EXAMIANS APP
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