Exam 2: Hardware Basics: Inside the Box

External devices such as printers and keyboards are known as

The most common input devices include a keyboard and mouse. One less common input device tat requires voice use is a ________.

The ________ number system is a system that denotes all numbers with combinations of two digits.

A group of 8 bits is known as a

Putting multiple CPUs on a single chip is defined as

Not all software is compatible with every CPU.

The actual execution of instructions is usually carried out by the

The operating system is loaded from the hard disk onto ROM when the computer is starting up.

CMOS stands for

Which of the following tips help to minimize your computer's impact on the environment?

Match the term on the left to its corresponding definition on the right. -cache

Expansion cards are inserted into

The most widely used code that represents each character as a unique 8-bit code is

To represent values larger than 255,processor designers combine bytes.Two bytes,with 16 bits,can represent all the numbers from 0 to ________.

The time for the processor to retrieve data from memory is measured in

To make words,sentences,and paragraphs fit into the computer's binary only circuitry, programmers have devised codes that represent each letter,digit,and special character as a unique string of bits.

Windows and Mac OS X systems have advanced energy-saver control panels that can be used to switch the monitor,hard drive,and CPU to lower-power ________ modes automatically after specified periods of inactivity.

Backward compatibility means that

Gigahertz is a measure of the computer's clock speed and is a measure of ________ of clock cycles per second.

A computer system is not complete without ________,which tells the hardware what to do.