Exam 4: Hardware: the Cpu and Storage: the Source of Computing Power

A group of 3 bits is called a byte.

What is the central processing unit (CPU),and what does it do?

What is the difference between cloud backup and cloud storage?

DVDs are similar to CDs,except that they can store more data than CDs.

The type of optical disk designed to enable recording,rewriting,and playback of high-definition (HD)video,as well as storing large amounts of data,is __________.

Primary storage is often called memory or __________.

Which of the following is NOT a secondary storage device?

In solid-state technology,__________ travel through solid material with no moving parts.

A hard disk can permanently hold data and programs.

RAM temporarily holds data and instructions about to be processed; if the computer's power goes off,everything in RAM is lost.

For a computer to communicate wirelessly,it needs a wireless network card attached to the motherboard via an extension slot.

A cluster is a group of sectors on a hard-disk storage device.

Nanotechnology is attempting to enable data processing by turning single atoms or molecules on and off.

Every microprocessor has transistors,tiny electronic devices that act as on / off switches.

A solid-state drive uses very small hard-disks to store data and programs.

A circuit is a closed path followed or capable of being followed by an electric current.

Every brand of computer has its own binary language,called __________.

The two digits used in the binary system are __________.

Which of the following memory chips are used to store fixed (permanent)start-up instructions?

_________ technology,with a range of 30 feet,is often used to connect headsets to portable electronic devices such as smartphones.