1.       Fill in the following text with words from the box
               ( Note there is one extra word)

Device keyboard, monitor, printer  peripherals, mouse, modem, scanner
	
Information is displayed on a ______, screen, or, more technically a visual display unit or VDU.
Data is usually entered into a computer by typing on a________, often in combination with a screen pointing device known 
as a_______.

Information can be printed on a_________.

Text and pictures on paper can be directly fed into a computer using a_____________.

A _______is a device for connecting a computer via telephone lines to other computers.

These and similar devices are peripherals.

The physical machinery of computers: processing and memory_______, and peripherals, are together referred to as hardware.

                  
 2.       Fill in the following text with words from the box

hardware ,interface, commands ,
mouse, Icons, computer
point-and-click, operating

To function at all, a computer needs an operating system program. Some _______ systems require users to type in _______  to tell the computer what they want to do.

Many computers use a graphical _________ or _______interface such as Windows. ____are symbols representing the different peripherals, programs, and files. Functions are activated by selecting a particular icon with the ________

Some interfaces allow plug-and-play, the possibility of connecting new hardware to the _________ without having to adjust or configure the system to take the new hardware into account: the interface program recognizes the __________ automatically.

3    Fill in the following text with words from the box

corrupted,  debugging, crash, network viruses (X2),  hackers, bugs.	

 Software is notorious for_______ or errors that cause it to malfunction or even to _______: to stop working altogether. Eliminating errors from programs in order to prevent crashes and other problems is _________.

_______ are intentional errors introduced into programs by people with sinister intentions or a weird sense of humor in order to cause computers to malfunction. _________ cause strange messages to appear on screen, or data to be lost or _________:filled with errors.

_________ are experts who gain unauthorized access to computer data through a ________ in order to steal information, for financial gain, or for fun.