Exam 2: The System Unit, Processing, and Memory

What are the general operations of a machine cycle?

To help you identify USB 3 ports, they are colored red . _________________________

The ____ takes instructions from the prefetch unit and translates them into a form that the control unit can understand.

A computer ____ is the amount of data (typically measured in bits or bytes) that a CPU can manipulate at one time.

Magnetic RAM (MRAM) uses ____ rather than an electrical charge to store data.

USB ports are used to connect a computer to a phone outlet via telephone connectors.

As a hard drive begins to get full, it takes less time to locate the data stored on the hard drive.

A(n) ____ instruction might look like a meaningless string of 0s and 1s, but it actually represents specific operations and storage locations.

Thunderbolt ports are used to receive wireless transmissions from devices.

Case-Based Critical Thinking Questions Case 2-2 Jack has a computer at home that he uses to access the Internet, store and edit personal photos, and create and edit documents. Recently, he has come to realize that in order to keep the computer performing at its best, he needs to carry out regular system maintenance on the computer. Jack can speed up his computer by scanning it for viruses and ____.

Some basic capabilities are often integrated directly into the motherboard instead of requiring the use of an expansion card .

To synchronize all of a computer's operations, a ____, which is located on the motherboard, is used.

The ____________________ directs the flow of electronic traffic within the core, much like a traffic cop controls the flow of vehicles on a roadway.

Each machine language instruction in a CPU's instruction set is broken down into several smaller, machine-level instructions called supercode . _________________________

Because of its large size, audio data is usually encrypted to reduce its file size when it is transmitted over the Internet or stored on a  smartphone or another device. _________________________

____________________ are locations on the motherboard into which expansion cards can be inserted to connect those cards to the motherboard.

Most recent software programs, including the latest versions of Microsoft Windows, OS X, and Microsoft Office, use ASCII . _________________________

ASCII is the coding system traditionally used with personal computers. _________________________

A ____ is the smallest unit of data that a binary computer can recognize.

The numbering system we commonly use is called the decimal numbering system because it uses ____ symbols to represent all possible numbers.