Chapter 2

Question 1

What is a computer

Answer 1

is a data processing device that performs the four major functions

Question 2

What are the major functions of a computer

Answer 2

• Input: Gathers data, allows entering data
• Process: Manipulates , calculates , or organize date
• Output: Displays data and information
• Storage: Saves data and information

Question 3

● Data

Answer 3

is a representation of a fact, a figure , or an idea. Either numbers, a word , picture or a recorded sound

Question 4

● Information

Answer 4

is data that has been organized or presented in a meaningful fashion

Question 5

Binary language

Answer 5

The language computers use to process data into information, consisting only of 0 and 1

Question 6

● bit

Answer 6

( binary digit) A digit that corresponds to the on and off states of a computer’s switches

Question 7

● Byte

Answer 7

• Eight binary digits (bits)

Question 8

● Transistor

Answer 8

are electrical switches built of layers of semiconductors

Question 9

● Integrated circuit

Answer 9

are tiny regions of semiconductor material that support a huge number of transistors

Question 10

● Software

Answer 10

is the set of computer programs that enables the hardware to perform difference

Question 12

● Hardware

Answer 12

-is any part you can physically touch

Question 13

● Firmware

Answer 13

is a form of microcode or program embedded into hardware devices to help them operate effectively

Question 14

● System software

Answer 14

enables your computers hardware devices and application software to work together

Question 15

● Operating system- (OS )

Answer 15

the program that controls how your computer functions

Question 16

● Driver

Answer 16

is a computer program that operates or control a particular type of device that is attached to a computer