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MICROPROCESSORSHow many 16-bit registers are available in 8051? Explain their functions.20217mMICROPROCESSORSThe number of hardware interrupts in 8051 is? (i) 2 (ii) 3 (iii) 4 (iv) 520232mMICROPROCESSORSTotal bit addressable area in RAM of 8051 microcontroller is ____? (i) 8 bytes (ii) 4 bytes (iii) 16 bytes (iv) 32 bytes20222mMICROPROCESSORSThe number of pins in 8051 microcontroller is? (i) 64 (ii) 44 (iii) 40 (iv) 10020232m