The microprocessor is made up of millions of (A) registers (B) transistors (C) microchips (D) program counter Answer: (B) transistors More Question Which button is called as middle button used as the third mouse button by pressing it? Which is the best position for operating the mouse? Keyboard and …… are examples of input devices First computer mouse was built by Which of these is the pointing and draw device? What type of device is a computer mouse? Pointing device includes the following except Shift, Ctrl, Alt are examples of which among the following category? In a keyboard, the left-right-up-down set of keys facilitates which among the following functions? Space bar is used for (A) giving space (B) deleting space (C) moving next line (D) All of these The …… key will launch the Start button To move to the beginning of a line of text, press the ...... key You can use the Tab key to Which key is also known as toggle keys? The most common method of entering text and numerical