which of the following is not a feature of the 8051 microcontroller?, 4 KB ROM, 128 bytes RAM, 16 bit data bus, 40 pins, which register in 8051 is used to store the return address during function calls?, stack pointer, program counter, PSW, accumulator, which pin is used to reset the 8051 microcontroller, P3.2, P3.3, pin 9, pin 40, The PSW register in 8051 is used to ;, control arithmetic operations, store glags, enable serial communication, perform interrupt, which of the following is Not performed by an ALU, addition, subtraction, AND/OR operation, code compilation, when the microcontroller executes some arithmetic operations,then the flag bits of which of the following register are affected?, DPTR, PSW, PC, SP, The block that allows a microcontroller to interact with switches,LEDs ,and motor is ;, timer, serial interface, I/O ports, oscillator, How many I/O pins does the 8051 microcontroller have ?, 16, 24, 32, 40, the output of the ALU is usually stored in the ?, RAM, program counter, Accumulator, instruction register, The EA ( External access) pin in 8051 is used to ?, select internal or external program memory, enable external data memory, control ALE, select interrupt priority
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