Microprocessor HLDA signal in 8085 performs the following operation: Indicates that the CPU has not received the HOLD request. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has not received the HOLD request. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that another master is requesting the use of the address and data buses. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? There can be maximum of 256 input devices and 256 output devices Devices are accessed using IN and OUT instructions Devices have 8-bit address line 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 are accessed using IN and OUT instructions Devices have 8-bit address line Arithmetic and logic operations can be directly performed with the I/O data ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Bus Interface Unit (BIU) in 8086 performs the following functions: Instruction fetch. All the above. Arithmatic and Logic operations. Instruction decoding. Instruction fetch. All the above. Arithmatic and Logic operations. Instruction decoding. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the programmable interval timer from the following 8252 8279 8275 8253 8252 8279 8275 8253 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is 256 64 512 65536 256 64 512 65536 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor It is possible to copy a file in the same directory. False True False True ANSWER DOWNLOAD EXAMIANS APP
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