RAM stands for _____.

• random analysis of memory

• read all memory

• random access memory

• read aloud memory

A computer program is an example of _____.

• a device

• an operating system

• hardware

• software

Changes in computer technology have an effect on _____.

• computer scientists only

• everybody

• people studying information technology only

• people who work with computers only

The function of network switch is to _____.

• arrange connected computers into subgroups

• split connections

• turn a computer on

  direct traffic between computers

• direct traffic between computers

Which non-touchscreen input device would be most convenient to use for a computer on an airplane?

• a corded mouse

• a trackpad

• a trackball

• a regular desktop wireless mouse

Typically, a DVD has how many times more capacity than a CD?

• about twice

• about 700 times

• about 4.7 times

• about 7 times

In a personal computer, the system software _____.

• is the user's direct link to the Internet

• uses RAM but not hard drive space

• controls the operations of the computer system

• is not needed in interactions between the user and the application software

Headphones are an example of _____.

• a storage device

• an input device

• an output device

• a processor

Which option is an example of a protocol?

• VPN

• IPsec

• CPU

• PSU

Bluetooth © and Wifi are two examples of transmission protocols. Which statement about them is true?

• Both are suitable for transmission of data over great distances.

• Both of them use wires to transmit data.

• Both are suitable for transmission of data over short distances.

• Neither of them was in common usage in 2012.