How Computers Work

Fiber Optics are...

• Type of wired connection that uses light to transmit information across a network

• Type of wireless connection that uses radio waves to transmit information across a network

• Type of wired connection that uses electrical impulses to transmit information across a network

Answer explanation

Fiber Optics is technology that transmits information as light pulses along a glass or plastic fiber.

Wifi is...

• a type of wired connection that uses light to transmit information across a network

• a type of wireless connection that uses radio waves to transmit information across a network

• a type of wired connection that uses electrical impulses to transmit information across a network

Answer explanation

Wireless Fidelity or WIFI is a wireless technology that allows devices such as computers (laptops and desktops), mobile devices (smart phones and wearables), and other equipment (printers and video cameras) to interface with the Internet.

Ethernet is...

• a type of wired connection that uses light to transmit information across a network

• a type of wireless connection that uses radio waves to transmit information across a network

• a type of wired connection that uses electrical impulses to transmit information across a network

Answer explanation

Ethernet is a family of wired networking technologies commonly used in Local Area Networks (LAN) and Wide Area Networks (WAN).

A complex mathematical formula used by computers is called...

• a circuit

• an algorithm

• a pixel

• an output

Answer explanation

An algorithm is a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.

Entering data into a computer is called...

• input

• storage

• processing

• output

Answer explanation

The mouse, keyboard, camera and scanner are devices used to input data into a computer.

The act of saving information on a computer is called...

• input

• storage

• processing

• output

Answer explanation

Random Access Memory (RAM) is an example of where a computer saves (temporary) information.

The results of computing that is broadcast in some form, like on a monitor, paper, speakers is called...

• input

• storage

• processing

• output

Answer explanation

Output is the information that a computer displays on a screen or prints on paper as a result of a particular program.

The use of data in algorithms (or a set of instructions) to extract an outcome is called...

• input

• storage

• processing

• output

Answer explanation

This is the action or series of actions a computer takes to execute a command the user makes.

a bit is...

• the small square used by a computer to create images

• the maximum transmission capacity of the internet

• the smallest unit of storage of a computer

• a part of the hardware of a computer

Apple iOS, Microsoft Windows and Linux are examples of...

• operating systems

• hardware of a computer

• web browsers

• computer viruses

Answer explanation

An Operating System (or OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. Examples: Apple iOS, Android, Windows, Linux, Unix