Exam 2: The System Unit, Processing, and Memory

The process of representing data in a form that can be understood by a digital computer is called decimal byte representation.

Pipelining increases the number of machine cycles completed per second.

____________________ data consists of still images, such as photographs or drawings.

____________________ computers differ from conventional computers in that they utilize atoms or nuclei working together as quantum bits or qubits.

Single-core CPUs allow computers to work simultaneously on more than one task at a time. _________________________

One measurement of the speed of a CPU is the ____, which is rated in megahertz (MHz) or gigahertz (GHz).

Processors  consist of a variety of circuitry and components that are packaged together and connected directly to the motherboard. _________________________

To connect multiple USB devices to a single USB port, a ____ can be used.

____ consists of nonvolatile memory chips that can be used for storage by the computer or the user.

Several of the original ports used with desktop computers-such as the parallel ports traditionally used to connect printers-are now considered standard ports.

The JPEG images taken by most digital cameras today use 24-bit ____.

Most computers today support the ____ standard, which means the computer automatically configures new devices as soon as they are installed and the computer is powered up.

One of the most common methods for storing graphics data is in the form of a bitmap image-an image made up of a grid of small dots, called ____________________, that are colored appropriately to represent an image.

Unicode is updated regularly to add new characters and new languages not originally encoded-the most recent version is ____________________.

____________________ are the connectors located on the exterior of a system unit that are used to connect external hardware devices.

Early computers required programs to be written in machine language.

____________________ is the lightest and strongest known material and is the best known conductor of electricity.

The ____________________ controls the communication between the CPU cores and RAM.

As large documents are stored, retrieved, and then stored again, they often become ____________________-that is, not stored in contiguous (adjacent) storage areas.

____ have begun to replace ROM for storing system information, such as a computer's BIOS.