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MICROPROCESSORSThe Program Counter (PC) in 8051 is how many bits? (i) 8-bit (ii) 16-bit (iii) 12-bit (iv) 32-bit20242mMICROPROCESSORSTotal 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) 10020232mMICROPROCESSORSExplain subroutine instructions and stack operations in 8051.20257m