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MICROPROCESSORSWhat is the function of ALE signal in 8051? (i) Latches lower address byte (ii) Enables timers (iii) Selects internal memory (iv) Controls interrupt20242mMICROPROCESSORSWhich output control signal is activated after every six oscillator periods while fetching the external program memory and almost remains high during internal program execution? (i) ALE (ii) \overline{PSEN} (iii) \overline{EA} (iv) All of the above20212mMICROPROCESSORSExplain the functions of the following pins: (i) ALE (ii) \overline{PSEN} (iii) \overline{EA} (iv) RST20208mMICROPROCESSORSHow are the address and data buses removed in external memory type of microcontrollers? (i) Through demultiplexing by external latch & ALE signal (ii) Through demultiplexing by external latch & DLE signal (iii) Through multiplexing by external latch & DLE signal (iv) Through multiplexing by external latch & ALE signal20202m
PreviousPUSH and POP instructions are used to ____ and ____ respectively. (i) Send the data from the stack, copy the data to the stack (ii) Send the data to the stack, copy the data from the stack (iii) All of the above (iv) None of the aboveNextThe system program used to translate directly an assembly language to machine language is called: (i) Compiler (ii) Assembler (iii) Text editor (iv) Debugger
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