Exam 2: Looking at Computers: Understanding the Parts

The length of time it takes for a processor to request, locate, open and deliver information stored in RAM is measured in ________.

________ is a wireless transmission standard that lets you connect mobile computing devices to peripheral devices over short distances.

Today's CPUs run at speeds measured in kilohertz.

Computers use ________ language consisting of 0s and 1s.

________ is concerned with the design and arrangement of machines and furniture to avoid uncomfortable or unsafe experiences.

The ________ keyboard layout gets its name from the first six letters in the top left row of alphabetic keys on the keyboard and is the standard English-language keyboard layout.

Brightness ratio is the difference in light intensity between brightest white and darkest black produced by a monitor.

The arithmetic logic unit (ALU)controls all of the functions performed by the computer's other components and processes all the commands issued to it by software instructions.

A(n)________ device is a component, such as a keyboard, that connects to the computer.

The "brains" of the computer is the ________.

A unidirectional microphone picks up sounds equally well from all directions.

A desktop computer's ________ is the case that houses the power source and all storage devices of the computer.

Microphones and scanners are examples of ________ devices.

A(n)________ restarts the system while it is still powered on.

On a keyboard, Num Lock and Caps Lock are both toggle keys.

________ is a measure of the greatest amount of light showing when the monitor displays pure white.

The most common type of monitor is a(n)________.

A ________ enables your computer to connect to other computers or to the Internet.