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ICT 1 > ICT Unit 1: Lessons 1 and 2 > Flashcards

ICT Unit 1: Lessons 1 and 2 Flashcards

1
Q

Computing power per square inch of circuit board will double every year

A

Moore’s Law

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2
Q

IPOS or the Computing Cycle

A

Input Processing Output Storage

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3
Q

Brain of the computer, Does all the Processing, and is Speed measured in hertz (Hz)

A

Central Processing Unit (CPU)

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4
Q

Memory chips that are stored on your computer’s motherboard

Stores data being processed by the CPU also Short Term Memory where data is stored as the processor needs it

A

Random Access Memory (RAM)

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5
Q

Circuit board inside computer
Connects all devices
Power supply: Responsible for powering the computer and its parts

A

Motherboard

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6
Q

Power Supply Unit

A

PSU also it Powers the Motherboard

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7
Q

Stores all the software and data that is not being used currently by the CPU
Known as permanent storage because unlike RAM the hard drive retains all the data stored even when the computer is turned off
Like RAM, hard drive space is measured in bytes
Less expensive than RAM, but slower also is the main storage device of the computer
all of a computer’s system files and folders are stored on it

A

Hard Drive

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8
Q 
Plugged directly into the motherboard’s expansion slots
Accessible from the rear of the system unit
Add functionality (video, network, graphics)
A

Expansion cards

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9
Q

Keyboards, Mouses, Digital Cameras, Scanners, Microphones, Game Controllers, Stylus, Barcode Readers, Fingerprint Scanners, and GPS Devices

A

Input Devices

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10
Q

Monitors, Projectors, Printers, Speakers

A

Output devices

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11
Q

A small, portable storage device that connects to a computer USB

Enables user to conveniently store and carry files

A

Flash Drive or USB Device

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12
Q

A small, portable storage device that is inserted into small input/output devices

Commonly used by digital cameras and camcorders

A

Flash Memory Card or SD Card

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13
Q

Flat, round portable storage devices that require specialized optical drives to read and save (write) data

A

CD or DVD

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14
Q

Was commonly used with a mouse

Has been widely replaced by USB

Rarely used today

A

Serial DB-9 connector

Connects to a 9-pin serial port

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15
Q

Was used to connect printers

Has been widely replaced by USB

Rarely used today

A

Parallel DB-25 connector

Connects to a 25-pin parallel port

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16
Q

USB (Answer is the acronym)

A

Universal Serial Bus

17
Q

Widely used standard connector and port

Keyboards, mouse pointers, printers, phones and cameras all use USB technology

Can connect up to 127 devices to the computer

Replaced both DB-9 and DB-25 because of its speed and standardization

A

USB

18
Q

Can transfer data at speeds comparable to USB

Commonly found on specialized camcorders

Supports a maximum of 63 devices

A

IEEE 1394

Also known as FireWire

19
Q

Used solely for video

Most monitors and projectors come equipped it

A

VGA(Video Graphics Array) interface

DB-15 connector

20
Q

An additional interface used solely for video

Supports high-quality video signals compared to VGA

Most monitors come equipped also came with this

A

DVI (Digital Visual Interface)

21
Q

HDMI (Answer is acronym)

A

(High-Definition Multimedia Interface)

22
Q

An audio/visual interface for transferring high-quality video and audio signals

Most modern monitors, projectors and televisions come equipped with this

A

HDMI

23
Q

A small modular connector used by modems

Commonly seen at the end of a home telephone line(landline)

A

RJ-11 connector and port

24
Q

A larger modular connector used for connecting to networks

Commonly referred to as an Ethernet connector or Ethernet port

A

RJ-45 connector and port (Ethernet)

25
Q

Speakers and microphone connect to audio ports located on the front, rear or side of the system unit

Can be various sizes

Most audio ports and connectors are 30color-coded to ensure correct connections

A

Audio connectors and ports

ICT 1 (4 decks)

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