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ICT1 > CFE study guide > Flashcards

CFE study guide Flashcards

1
Q

What is the Computer working Principle?

A
  1. Data is first entered through input devices
  2. Processed and stored in a system unit
  3. Displayed by the output device.
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2
Q

What is a Personal Computer? (PC)

A

A computer intended for personal use.

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3
Q

What is a Laptop/Tablet PC?

A

A personal computer that is intended for travel use or when computing power isn’t an issue.

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4
Q

What is a PDA-Personal Digital Assistant (PALM)?

A

A small sized computer; Easily connects to mobile phones and can prove a good solution for less demanding users.

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5
Q

What is a Mobile Phone?

A

A portable electronic device used for distant communication.

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6
Q

What is a smartphone?

A

A device that combines all the functionalities of a phone, PDA, camera, camcorder, and computer.

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7
Q

What do smartphones need to properly operate?

A

Operating systems.

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8
Q

What is a Computer Case?

A

Protects the internal components of a computer from external particles.

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9
Q

What is a Motherboard?

A

The computer’s basic unit; Where all computer components are connected, directly or indirectly.

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10
Q

What is a Central Processing Unit (CPU)?

A

The brain of the computer; Manages and monitors other computer’s communication and performs arithmetic-logical operations.

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11
Q

What is Processing Speed measured in?

A

Hertz

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12
Q

What is Cache?

A

Small capacity memory which allows quick access to data.

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13
Q

What is ROM (Read Only Memory)?

A

A type of permanent, internal memory that is used solely for reading.

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14
Q

What is RAM (Random Access Memory)?

A

An active memory where analyzed data and programs are stored while the computer runs.

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15
Q

What happens to the data in ram when the computer shuts down?

A

Data is deleted.

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16
Q

What is a Floppy Disk Drive?

A

A drive used for storing and reading data stored on a floppy disk.

17
Q

What is CD-ROM?

A

A drive used for reading CD media.

18
Q

What is a DVD drive?

A

A drive used for reading DVD discs

19
Q

What is the Capacity of a DVD disc?

A

4.7 to 18GB

20
Q

What is a Soundcard?

A

A device used for sound creating and production by means of computer speakers.

21
Q

What is a Graphics Card?

A

A computer component responsible for processing and displaying an image on a monitor.

22
Q

What does a Graphics Card have?

A

A graphics processor and memory.

23
Q

What is a Modem?

A

A device that enables a computer to communicate via telephone lines; They connect computers to the Internet

24
Q

What is a USB?

A

A Output Port that is used to connect various devices.

25
Q

What is a Serial Port?

A

It is used for example in connecting a mouse (labeled COM1 and COM2).

26
Q

What is a Parallel port?

A

A port used for connecting a local printer (LPT1 or LPT2).

27
Q

What is a Network port?

A

It is a port used for connecting computers to a network.

28
Q

What is a FireWire.

A

A port used for connecting computers and audio-video devices (digital cameras, etc.).

29
Q

What is a CD (Compact Disc)?

A

A optical disc used for data storage.

30
Q

What is a DVD (Digital Versatile Disc)?

A

A optical disc which is used mostly for video storage due to its larger capacity (4.7 GB).

31
Q

What is a Blu-ray Disc (BD)?

A

The successor to DVD; A optical disk storage; Comes in different capacities depending on how many layers it has.

32
Q

What is a Memory Card?

A

A type of flash memory used to store data in digital cameras, cell phones, MP3 players etc.

33
Q

What is a USB stick?

A

A data storage device; Does not need electric power to maintain data integrity.

34
Q

What is the difference between an Internal Hard disk drive and an external hard disk drive?

A

An internal HDD is embedded in the computer case why an external HDD is connected to a computer by using an appropriate cable or USB port.

35
Q

What is a Mouse (Computer)?

A

An input device that works with the GUI.

36
Q

What does a Mouse do?

A

Transmits hand movements displays the movements on the cursor.

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