Computers and the Internet Flashcards

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1
Q

What is a Computer?

A

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

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2
Q

What was the first Electronic Computer?

A

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

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3
Q

What are the four basic functions of a Computer?

A

Input, Storage, Processing, and Output.

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4
Q

What is the form of a Computer’s Input?

A

Binary Code.

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5
Q

What is Binary Code?

A

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.

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6
Q

How do Computers store data?

A

Using Hard-Disk Drives.

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7
Q

What is a Hard-Disk Drive?

A

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

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8
Q

What is RAM?

A

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

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9
Q

What is Magnetic Media?

A

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

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10
Q

What is ROM?

A

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

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11
Q

What is Optical Media?

A

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

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12
Q

What is Hardware?

A

Any physical component in a computer.

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13
Q

What is Software?

A

Any Computer Program.

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14
Q

What is an Operating System?

A

A software that controls a computer’s activities.

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15
Q

What is CPU?

A

The Central Processing Unit of a computer.

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16
Q

What is ALU?

A

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

17
Q

What is a Logic Gate?

A

The transistors in a CPU.

18
Q

What is an AND Gate?

A

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

19
Q

What is LAN?

A

A Local Area Network.

20
Q

What is a Server?

A

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

21
Q

What is the Internet?

A

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

22
Q

What does WWW stand for?

A

World Wide Web.

23
Q

What is a Modem?

A

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

24
Q

What does ISP stand for?

A

Internet Service Provider.