Exam 1 (Ch.1,2,4,&6)

Question 1

When data is processed it becomes…?

Answer 1

Information

Question 2

What does an input device do?

Answer 2

Sends information to a computer for processing.

Question 3

What does an output device do?

Answer 3

Displays the results of processing.

Question 4

What are examples of Input devices?

Answer 4

Keyboard, Mouse, Camera, Touch Screen, Scanner, etc.

Question 5

What are examples of output devices?

Answer 5

Printer, Monitor, Headphones, Projector, etc.

Question 6

What does software do?

Answer 6

Tell the computer what to do.

Question 7

What is an ISP and what do they do?

Answer 7

Internet Service Provider; Provide access to the internet for individuals either for free or for a fee.

Question 8

What is Bandwidth?

Answer 8

How well the network can send and receive data.

Question 9

What do IP addresses do?

Answer 9

Identify computer and device locations connected to the internet or any other network.

Question 10

What is a Domain Name?

Answer 10

They are text-based and correspond to IP addresses.

Question 11

What’s the difference between IPv4 & IPv6?

Answer 11

They mean the same things but IPv6 is an extension of space for IPv4 in case it runs out of room.

Question 12

What is DNS?

Answer 12

It’s a translator that reads the domain name into computer language.

Question 13

What is .com?

Answer 13

A top-level domain.

Question 14

What are firewalls?

Answer 14

Security tools that protect personal computers from intrusions.

Question 15

What do cookies do?

Answer 15

Collect your information.

Question 16

What is a CPU?

Answer 16

Central Processing Unit; Brain of the computer.

Question 17

What does the CPU do?

Answer 17

Directs and coordinates most computer applications.

Question 18

What is the CPU composed of?

Answer 18

A control unit and an arithmetic logic unit.

Question 19

What does the Control Unit do?

Answer 19

It’s the component of the processor that directs most of the operations in the computer.

Question 20

What does the Arithmetic Logic Unit do?

Answer 20

It performs arithmetic, comparison, and other operations.

Question 21

What process does something like typing your name on a keyboard trigger?

Answer 21

Input, Memory, Processor, Memory, Output.

Question 22

What are the 4 basic operations that a processor performs?

Answer 22

Fetch, Decode, Execute, Store.

Question 23

What is capacity measured in?

Answer 23

Bytes.

Question 24

What is speed measured in?

Answer 24

Hertz.

Question 25

What are Bits composed of?

Answer 25

2 unique digits of 0 & 1.

Question 26

What is a Byte made of?

Answer 26

8 bits grouped together.

Question 27

What is Volatile Memory?

Answer 27

It loses its contents when turned off.

Question 28

What is Nonvolatile memory?

Answer 28

It doesn’t lose its contents when turned off.

Question 29

What is RAM and what is it associated with?

Answer 29

Random Access Memory; Volatile memory.

Question 30

What is ROM and what is it associated with?

Answer 30

Read-Only Memory; Nonvolatile.