Computer Hardware/Software

Question 1

What is an input device? Give an example.

Answer 1

An input device is any piece of computer hardware that provides data. An example would be a mouse, keyboard, or scanner.

Question 2

What is an output device? Give an example.

Answer 2

An output device is any piece of computer hardware equipment used to communicate the results of data processing. An example would be a printer.

Question 3

What’s the difference between an input and an output system?

Answer 3

Inputs are the signals or data received by the system, and outputs are the signals or data sent from it.

Question 4

What does CPU stand for and what does it do?

Answer 4

CPU-Central Processing Unit; CPUs are the main calculating chip in a computer.

Question 5

What are the two major companies that make CPUs?

Answer 5

AMD and Intel

Question 6

Which of the major CPU companies is usually cheaper?

Answer 6

AMD

Question 7

Which of the major CPU companies spends more on advertising?

Answer 7

Intel

Question 8

What is the Blue Man Group and what line of product did they advertise for on Intel commercials?

Answer 8

The Blue Man Group was a music group that became a pop icon after advertising for Intel Pentium products.

Question 9

What is a quadcore?

Answer 9

A quadcore CPU is a calculating chip that has four parts to it, making it able to process more data faster. The more cores, the better.

Question 10

What are the two motherboard sizes?

Answer 10

ATX and MicroATX

Question 11

What is the purpose of a heatsync and fan?

Answer 11

It cools down the CPU.

Question 12

Why does a heatsync and fan have so many ridges on it?

Answer 12

There are so many ridges on a heatsync and fan because the more surface area on it, the more it can help cool the CPU down. More heat can disperse with more surface area.

Question 13

What does GPU stand for?

Answer 13

Graphic Processing Unit

Question 14

The _____ _____ holds the CPU to the motherboard.

Answer 14

CPU Socket

Question 15

What is the difference between software and hardware?

Answer 15

Hardware are the physical parts of a computer while the software is the actual programs that the computer runs.

Question 16

The _____ can be compared to as a human nervous system.

Answer 16

Motherboard

Question 17

What is the purpose of a motherboard?

Answer 17

A motherboard is the interface to which everything connects to inside a computer.

Question 18

True of False: AMD has a bigger market in the USA. If False, explain.

Answer 18

False, Intel pays more for advertising, so therefore, has a larger market of customers in the USA.

Question 19

Give two examples of coolant computers use.

Answer 19

Liquid Coolant and Air Coolant (from fans)

Question 20

What is the purpose of thermal paste?

Answer 20

Thermal paste connects the heatsync and fan to the CPU so the fan can cool the chip through heat conduction.

Question 21

What is RAM and what does it do?

Answer 21

RAM is Random Access Memory and it stores the currently running programs.

Question 22

How many gigabytes does a faster computer have, approximately?

Answer 22

about 16 gb

Question 23

What is the advantage of having more gb of RAM?

Answer 23

The more gb of RAM you have, the faster the currently running programs will run.

Question 24

What is the purpose of flash memory?

Answer 24

Flash memory saves long-term memory.

Question 25

Cell phone memory, camera memory, and flash drives are examples of _____ _____.

Answer 25

Flash Memory

Question 26

True or False: Optical drives is the general term for all drives. If True, give an example of one, and if False, explain.

Answer 26

True; example: CD ROM drive, blue ray drive, etc.

Question 27

Disks inside an HDD spin at _____ rpm.

Answer 27

72

Question 28

1 tb = _____ gb

Answer 28

1,000

Question 29

What does HDD stand for?

Answer 29

Hard Disk Drive

Question 30

What is the purpose of a hard drive?

Answer 30

A hard drive permanently stores long-term data or information.

Question 31

_____ and _____ _____ work together to store the memory of a computer.

Answer 31

RAM; Hard Drives

Question 32

_____ is the cable that connects the hard drive to the motherboard.

Answer 32

SATA

Question 33

The two types of cables are _____ and _____.

Answer 33

Ribbon and SATA

Question 34

What is the most commonly used type of cable now? Why did it take the place of the other kind?

Answer 34

SATA cable is most often used now. This is because it takes up less space in a computer and runs faster and more efficiently.

Question 35

What are the two things sent through ribbon or SATA cables?

Answer 35

Power and Data

Question 36

What does a power supply do?

Answer 36

A power supply has many wires coming out of it which makes it possible to perform its job of providing power to the computer.

Question 37

CD ROM drives are used to...

Answer 37

put data onto CDs

Question 38

What is a peripheral?

Answer 38

Anything you add onto a computer with cables: printer, scanner, mp3 player, speakers, sound interface, etc.

Question 39

Internal card readers add _____ _____ and an extra _____ _____ for cheap.

Answer 39

card slots; USB port

Question 40

What are graphics cards?

Answer 40

They are the part of your computer that controls and enhances how graphics (pictures, videos, programs, animation, 3D) are displayed on your computer.

Question 41

Why were people so afraid of Y2K?

Answer 41

Computers were programmed to write the date as 19_ _. People were afraid that when the year 2000 hit, it would confuse the computers and make them all crash, making traffic lights, banks, airports, etc, fail. They believed that this crisis would be like the end of the world because they were so dependable upon technology by that time.

Question 42

Define malware.

Answer 42

malicious ‘infections’ in a computer

Question 43

Name five early viruses.

Answer 43

the centipede, walker virus, crash, ambulance, and the brain A

Question 44

What was the first ever made virus?

Answer 44

the Brain A

Question 45

What is a virus? How does it attack a computer?

Answer 45

A virus needs a host (like a link, file, image, or other program). It attaches onto a file and then begins to assault the computer.

Question 46

What is a worm?

Answer 46

A worm is a computer infection that infects by getting through a programming weakness or firewall.

Question 47

What is a trogen horse?

Answer 47

A type of malware found after a successful virus attack. | It disguises itself and then attacks the computer once its opened.

Question 48

What is a botnet?

Answer 48

A botnet is a group of computers used to send spam or attack something. It is used for some evil activity.

Question 49

What is the purpose of a botnet?

Answer 49

A botnet isn’t used to destroy your computer, but to use the power of your computer to harvest or attack something.

Question 50

Do you always know you are part of a botnet?

Answer 50

No, your computer can be infected without you realizing it.

Question 51

Is Conficker a worm, virus, or trogen horse?

Answer 51

a worm

Question 52

How does Conficker enter your computer?

Answer 52

through maulfunctions

Question 53

Every time Conficker is updated, it become a(n) _____ program.

Answer 53

sneakier

Question 54

Why do people think Ukrainians made Conficker?

Answer 54

Every time the program senses a Ukrainian keyboard layout, it self-destructs. In Ukraine, it is illegal to target a fellow citizen.

Question 55

True of False: Anyone with the right channels and enough money for contacting the owners can rent Conficker and use it as a weapon. If False, explain.

Answer 55

True

Question 56

The _____ _____ hacked the phone system.

Answer 56

Blue Box

Question 57

_____ are like backbone servers of big processes that run specific machinery and usually sit in the wall.

Answer 57

PLCs

Question 58

How many supercomputers are there in the world that run the internet?

Answer 58

9

Question 59

If Conficker was used to target PLCs, what would happen if they were destroyed?

Answer 59

The internet would fail and would take a long time to recover, making things VERY inconvenient.

Question 60

Why hasn't Conficker been used as a weapon?

Answer 60

It has been used for money instead.

Question 61

Did Conficker create a botnet?

Answer 61

Yes

Question 62

What is a keylogger?

Answer 62

A keylogger is a program that records the strokes you use on a keyboard, making it possible to find out passwords and other information.

Question 63

How did our government attack the Iranian nuclear program?

Answer 63

By using a botnet to speed up the reactors, the government made the plant literally melt down.

Question 64

Steve _____ didn't like the name iPod at first, though the name later grew on him.

Answer 64

Jobs

Question 65

Why are hackers so difficult to find?

Answer 65

They use servers around the world, the programs they make are often highly encrypted, and because they live overseas in areas where its not illegal to write malware

Question 66

How far did the first email travel?

Answer 66

10 feet

Question 67

What are Microsoft's two main products?

Answer 67

Windows and Office

Question 68

Does an operating system act as the master control system?

Answer 68

Yes

Question 69

_____ other programs fun inside operating systems.

Answer 69

All

Question 70

What is Linux?

Answer 70

a free and programmable operating system

Question 71

What is a workstation?

Answer 71

A nerdy term for a computer.

Question 72

What are bullets often used for?

Answer 72

to make organized lists

Question 73

What is a bullet list?

Answer 73

a bullet list is a list with dottie things that make the page look pretty and more organized. the dottie things (bullets) can be changed

Question 74

What does BIOS stand for and what does it do?

Answer 74

BIOS stands for the Basic Input Output System. It helps the computer read the operating system from either the CD ROM drive or HDD.

Question 75

What is the nomenclature formula?

Answer 75

=sum(column letter row number:column letter row number)

Question 76

In Excel, are rows vertical or horizontal? What about columns?

Answer 76

Rows are horizontal and columns are vertical.

Question 77

What is the Microsoft ribbon?

Answer 77

The control structure at the top of the screen on Microsoft Word

Question 78

How many sections is the Microsoft ribbon split up into? What are those sections called?

Answer 78

3 sections: Tabs, Groups, and Buttons

Question 79

What are the tabs on a ribbon?

Answer 79

home, insert, etc.

Question 80

What are the groups on a ribbon?

Answer 80

font, styles, etc.

Question 81

What are the buttons on a ribbon?

Answer 81

They are the individual buttons within the tabs like bold, bullet types, size, etc.

Question 82

What is an operating system?

Answer 82

The program that runs every other programs including hardware and software.

Question 83

Operating systems enable you to run other _____ and makes your _____ work together.

Answer 83

programs; hardware

Question 84

How does the ruler help you with tabs?

Answer 84

they allow you to set them in the proper places

Question 85

When talking of tabs and indents, which controls lines? Paragraphs?

Answer 85

Tabs control lines of writing while indents control paragraphs.

Question 86

What do you use to align text?

Answer 86

tabs

Question 87

Which computer worm is the largest known one and grounded Navy airships?

Answer 87

Conficker

Question 88

Which virus is named after the nuclear plant melt down? It costed more than 1 billion dollars to fix.

Answer 88

Chernobyl

Question 89

Which virus came through Apple messaging products?

Answer 89

Leap.A

Question 90

Which virus attacked the white house successfully by taking down websites? It was named after mountain dew.

Answer 90

Code Red

Question 91

Which virus sent emails with the title I Love You and then downloaded passwords and sent them to hackers?

Answer 91

ILOVEYOU

Question 92

What virus was the fastest spreading of all time? Its creator never was found and it succeeded in taking down the internet for one entire day.

Answer 92

MYDOOM