Computer Basics Test

Question 1

What is RAM?

Answer 1

Random Access Memory

Available for OS, programs and processes.

Volatile Memory - Data is not permanently written

Question 2

HDD vs SSD

Answer 2

Hard Disk Drive

• cheaper
• draws more power (kills battery faster)
• bigger capacity

Solid State Drive

• no moving parts
• expensive
• smaller capacity
• less power draw

Question 3

3 Rules of Backup Policy

Answer 3

Have more than one VERIFIED copy in more than one physical location.

Question 4

UDP vs TCP

Answer 4

User Datagram Protocol

• No retransmission if packets are lost
• more simple
• faster
• efficient

Transmission Control Protocol

• Retransmits lost packets
• slower

Question 5

Why isn’t a remote control a computer?

Answer 5

• not programmable
• not designed to accept data
• does not perform math
• does not display results
• does not store program
• does not retrieve info from memory

Question 6

What is a Firewall?

Answer 6

Software designed to prevent unauthorized access to or from a private network.

Question 7

What is a Port?

Answer 7

A communication end point used by the transport layer, protocols of their IP.

Question 8

What is a Host?

Answer 8

Computer or Network that communicates resources to other hosts on a network.

Question 9

Computer Peripherials?

Answer 9

Inputs:

• keyboard
• mouse
• microphone
• usb

Outputs :

• printer
• monitor
• speaker
• projector

Question 10

CD - ROM

Answer 10

• non- reliable

- 750mb limit

Question 11

What is computer memory measured in?

Answer 11

Bits and Bytes

Question 12

What is an Operating System?

Answer 12

Software that manages computer hardware and creates user interface that allows the user to input information.

Question 13

Types of OS?

Answer 13

• DOS
• Linux
• Android
• Blackberry
• Mac

Question 14

3 Rules for Naming a File

Answer 14

1. No capitals
2. no spaces
3. no special characters

Question 15

3 Services a Host may Provide

Answer 15

• email
• control panel
• code support
• databases

Question 16

Why would a website FAIL to load?

Answer 16

• Sharks ate cables
• mismanaged domain
• IP address changed
• infected with malware
• connection is faulty
• the host could be upgrading
• browser incompatibility

Question 17

What is a Web Browser?

Answer 17

Software used for accessing the information on the World Wide Web and interprets code in the visual view.

Question 18

Where is Silicone Valley?

Answer 18

The San Francisco Bay

Question 19

What are MX Records?

Answer 19

Mail Exchange Records

Used on behalf of receiving messages for a domain. Can purchase multiple to ensure messages get through.

Question 20

What are the 3 types of Hosting?

Answer 20

Shared

• cheap
• non- customizable
• low space
• quick set up
• limited resources

Virtual Private

• more customizable
• more space
• more security
• more resources

Private

• expensive
• complete customization
• lots of space
• very secure

Question 21

How would you manage your backup?

Answer 21

On google drive, on a external hard-drive and on the computer.

Question 22

How do you ensure your files are accessible across many devices and/or locations?

Answer 22

• Store on different server than host of website
• Automated back up
• back up your back ups
• test your back ups