Class-11th IP Ch-1 Computer System

Choose the correct answers of the following: Data entered in computer system with help of:

• Input Device

• output device

• Primary key

• ROM

F1 to F12 is said to be:

• System key

• Numeric key

• Primary key

• function key

Which part is responsible to internet computer with peripheral device?

• Memory

• I/O Port

• ALU

• CPU

Keyboard character are arrange as:

• ABCDEF

• POKLDS

• QWERTY

• ASMNB

Light pen and joystick are ----------------

• Algorithm

• Input device

• output device

• Portals

Touch Screen is-------------------

• Input device

• output device

• Both a & B above

• None of these

---------------- printer is the cheapest in terms of price and operating cost:

• Inkjet

• Laser

• Thermal

• Dot matrix

-------------- are used for plotting graphs and design on papers.

• Trackball

• joystick

• Light pen

• Plotters

Cache memory acts between:

• CPU and ROM

• RAM and ROM

• CPU and Hard disk

• none of these

Processing of all computers, whether micro, mini or mainframe must have:

• ALU

• Primary storage

• Control unit

• All of above