What type of control pins are needed in a microprocessor to regulate traffic on

What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?

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1) What is the name of the new color laptop computer which is powered by a 386 processor at 33 MHz and is built by Epson?

2) The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in electronic data processing system is called

3) Reading data is performed in magnetic disk by

4) Which one is the largest space?

5) Which of the following is not computer language?