Microprocessor Program counter in a digital computer Counts the numbers of programs run in the machine. Counts the number of times a subroutine is called. Counts the number of times the loops are executed. Points the memory address of the next instruction to be fetched. Counts the numbers of programs run in the machine. Counts the number of times a subroutine is called. Counts the number of times the loops are executed. Points the memory address of the next instruction to be fetched. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The data lines of 8085 microprocessor are multiplexed with higher order address lines None of these status lines lower order address lines higher order address lines None of these status lines lower order address lines ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? Devices have 8-bit address line Devices are accessed using IN and OUT instructions Arithmetic and logic operations can be directly performed with the I/O data There can be maximum of 256 input devices and 256 output devices Devices have 8-bit address line Devices are accessed using IN and OUT instructions Arithmetic and logic operations can be directly performed with the I/O data There can be maximum of 256 input devices and 256 output devices ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be 00000100 010001000 11000100 01000000 00000100 010001000 11000100 01000000 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are affected indicating specific conditions not affected always set always reset affected indicating specific conditions not affected always set always reset 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 11111111 00000000 00000001 None 11111111 00000000 00000001 None ANSWER DOWNLOAD EXAMIANS APP
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