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MICROPROCESSORSThe number of hardware interrupts in 8051 is? (i) 2 (ii) 3 (iii) 4 (iv) 520232mMICROPROCESSORSIllustrate the pin diagram of 8051 with the help of a suitable diagram and explain the utility of the pins available in 8051.202414mMICROPROCESSORSThe Program Counter (PC) in 8051 is how many bits? (i) 8-bit (ii) 16-bit (iii) 12-bit (iv) 32-bit20242mMICROPROCESSORSDiscuss the Functions associated to all I/O Port pins in 8051.20247m
PreviousWhich of the following statement is true for the instruction PUSH B? (i) It is an arithmetic instruction (ii) Executes in single machine cycle (iii) It reads from memory location (iv) It performs memory write operationNextThe value of RAM is to ROM size ratio is lower in? (i) Microprocessor based systems (ii) Microcontroller based systems (iii) Both (i) and (ii) (iv) None of the above