Computers and the Internet

Question 1

What is a Computer?

Answer 1

A machine that can receive data, perform high-speed calculations or logical operations, and output the results.

Question 2

What was the first Electronic Computer?

Answer 2

It was called ENIAC, and it was made during World War II.

Question 3

What are the four basic functions of a Computer?

Answer 3

Input, Storage, Processing, and Output.

Question 4

What is the form of a Computer’s Input?

Answer 4

Binary Code.

Question 5

What is Binary Code?

Answer 5

A form of data where numbers/letters/etc are put in groups of eight bits and binary looks like a string of 0’s and 1’s.

Question 6

How do Computers store data?

Answer 6

Using Hard-Disk Drives.

Question 7

What is a Hard-Disk Drive?

Answer 7

A device that contains a disk, which data is written to as storage.

Question 8

What is RAM?

Answer 8

Random-Access Memory, a form of memory contained on microchips.

Question 9

What is Magnetic Media?

Answer 9

A type of disk where the disks are coated with magnetizable substance.

Question 10

What is ROM?

Answer 10

Read-Only Memory, a memory device where the data can be read but not changed.

Question 11

What is Optical Media?

Answer 11

Discs where the information is read by a laser light, the two types are CDs and DVDs.

Question 12

What is Hardware?

Answer 12

Any physical component in a computer.

Question 13

What is Software?

Answer 13

Any Computer Program.

Question 14

What is an Operating System?

Answer 14

A software that controls a computer’s activities.

Question 15

What is CPU?

Answer 15

The Central Processing Unit of a computer.

Question 16

What is ALU?

Answer 16

The Arithmetic/Logic Unit, the part of the CPU which performs the calculations.

Question 17

What is a Logic Gate?

Answer 17

The transistors in a CPU.

Question 18

What is an AND Gate?

Answer 18

A type of switch combinations between transistors which only current to pass when both inputs are on the ‘on’ position.

Question 19

What is LAN?

Answer 19

A Local Area Network.

Question 20

What is a Server?

Answer 20

A central computer that has several computers could connect to that has a lot of memory and several hard-drives.

Question 21

What is the Internet?

Answer 21

A large computer network that connects many local and smaller networks all over the world.

Question 22

What does WWW stand for?

Answer 22

World Wide Web.

Question 23

What is a Modem?

Answer 23

A device that codes the output data of your computer and uses it to modulate a carrier wave that is transmitted over phone lines.

Question 24

What does ISP stand for?

Answer 24

Internet Service Provider.