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

The hard disk is a primary storage device.

In __________,molecules or atoms are used to create tiny machines for holding data or performing tasks.

The motherboard is the computer's main printed circuit board,containing nonremovable components and expansion slots for removable ones.

Hard disks are thin,rigid platters covered with a substance that allows data (bits)to be held in the form of magnetized spots.

Which of these connections are used for high-definition audio and video?

A _________ is a specialized processor used to manipulate three-dimensional (3-D)computer graphics.

Bluetooth provides wireless connections over several hundred feet.

In the binary system,each 0 or 1 is called a __________.

Most hard drives have at least two platters.

Mobile devices such as smartphones use the same processing chips as microcomputers.

Most modern microcomputers need more than 2 gigabytes of RAM to run efficiently.

Computer users must load instructions onto ROM the first time they use a new computer.

Virtual memory also speeds up a computer's operations by extending RAM onto some free hard-disk space.

If a port allows for data to be sent one bit at a time,it is a parallel port.

What types of DVDs are currently available?

One kilobyte (1 KB)equals about 10 pages of text.

Name 7 types of ports commonly found on a microcomputer / laptop.

A "spike" in AC voltage can burn out the low-voltage DC circuitry in a computer.

What do registers do?

Flash memory is volatile.