Module 1

Question 1

What is a Machine?

Answer 1

A machine is something that uses energy to do things. Are most commonly made out of metal and plastic parts that work together. This parts can move or not.

Question 2

What is a Computer?

Answer 2

A computer is an electronic machine that stores information, deals with information and compute information.

Question 3

What Compute means?

Answer 3

Compute means to determine the answer of something.

Question 4

What Computation means?

Answer 4

Computation is the action of calculating an answer to a problem, usually by using math.

Question 5

What is Technology?

Answer 5

Application of practical scientific knowledge to solve a problem.

Question 6

What is a Program?

Answer 6

A program is a written instruction, entered into the computer, that makes it perform certain tasks.

Question 7

What is a Language?

Answer 7

Languages are communication systems that allow you to transfer ideas in written and spoken words.

Question 8

What is a Computer Language or Programming Language?

Answer 8

Programming languages are organized systems of words, phrases and symbols that allow you to create programs.

Question 9

What is an Operation in mathematics?

Answer 9

An operation in mathematics is a process or a series of actions that results in an outcome. For example: 2 + 2 = 4 is an “add” operation.

Question 10

What is an Operation done by a computer?

Answer 10

An action or a set of actions created by a person that makes a computer do something. Example: turn the screen black if the computer is undisturbed for five minutes.

Question 11

What is Computer Science?

Answer 11

Is a mathematical and scientifc study of the principles and possible uses of computers.

Question 12

What is Data?

Answer 12

Is just information that the computer uses.

Question 13

What is a system?

Answer 13

A system is a group of things that work together in an orderly fashion.

Question 14

What is a cursor?

Answer 14

Is the symbol that indicates that text input is acceptable. Do not mistake with pointers, like the mouser pointer.

Question 15

What is a command?

Answer 15

Something the computer is told to do.

Question 16

What CPU stands for?

Answer 16

Central Processing Unit.

Question 17

What is the CPU?

Answer 17

It is the part of the computer that controls all the actions the computer does.

Question 18

What is Input?

Answer 18

It is information put into a computer.

Question 19

What is Output?

Answer 19

Is data sent out from a computer to other devices, like the screen.

Question 20

What is the Focus of a computer?

Answer 20

Focus refers to the thing on a computer display where the attention of the computer program is currently placed. It is normally set by the mouse.

Question 21

What are the two meaning of Format?

Answer 21

Format can be the way something is laid out, designed, and put together. It is not the data itself, but the information ABOUT the data, how it’s arranged. Ex: SoupRecipe.txt has the format txt.

Format also means preparing a computer’s memory device. Ex: format a hard drive.

Question 22

What is a numeral?

Answer 22

A symbol, word, figure, or letter that express a number. 1,001 is a numeral.

Question 23

What is a Digit?

Answer 23

A Digit is a single symbol that represents a quantity and makes up a numeral. Ex: 0, 1, 2, …, and 9 are digits and numerals. 24 is numeral made up of the digits 2 and 4. 24 is not a digit.

Question 24

Explain the relation between numbers, numerals and digits.

Answer 24

Number is a mathematcial object that is used to count, measure and label things. A numeral is a linguistic expression of the number and a digit is the single unit that make up numeral.

Question 25

What is a number system.

Answer 25

Is a system for naming and representing quantities. It’s concerned with how many digits will be used and what symbols will be used.

Question 26

What Digital means?

Answer 26

Digital means that a circuit or device represents magnitudes in digits. The opposite is Analog.

Question 27

How many states a Digital circuit can be at the same time?

Answer 27

Only one state.

Question 28

What is a Wave?

Answer 28

A wave is a flow of energy which changes over time. It’s how energy moves through space. Ex: Light.

Question 29

What is wavelength?

Answer 29

It’s the physical distance between one point in a wave and the next identical same point. It has to be the same quantity and direction (rising or falling).

Question 30

What is a transistor?

Answer 30

Is something that can alter the flow of electricity in something. It can let electricity flow through it, it can stop the flow of electricity through it, or it can make the flow of electricity even bigger.

Question 31

What is a transistor?

Answer 31

Is something that can alter the flow of electricity in something. It can let electricity flow through it, it can stop the flow of electricity through it, or it can make the flow of electricity even bigger.

Question 32

What IT stands for?

Answer 32

Information Technology.

Question 33

What is IT?

Answer 33

IT is the study and use of machines (especially computers) that store, send, and receive data.