Microprocessor Both the ALU and control section of CPU employ which special purpose storage location? Buffers Registers Accumulators Decoders Buffers Registers Accumulators Decoders ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is a valid integer constant? 127 127 125 + 3 127 127 127 125 + 3 127 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 There can be maximum of 256 input devices and 256 output devices Devices have 8-bit address line Arithmetic and logic operations can be directly performed with the I/O data Devices are accessed using IN and OUT instructions There can be maximum of 256 input devices and 256 output devices Devices have 8-bit address line Arithmetic and logic operations can be directly performed with the I/O data ANSWER DOWNLOAD EXAMIANS APP
Microprocessor During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction. Bus Interface Unit (BIU) Both ‘c’ and ‘d’ Execution Unit (EU) None of these Bus Interface Unit (BIU) Both ‘c’ and ‘d’ Execution Unit (EU) None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value? CLR A ORA A MOV A, 00H SUB A CLR A ORA A MOV A, 00H SUB A ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While STC instruction executes, only carry and zero flags will be affected. only carry flag will be affected. no flags will be affected. all flags will be affected. only carry and zero flags will be affected. only carry flag will be affected. no flags will be affected. all flags will be affected. ANSWER DOWNLOAD EXAMIANS APP
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