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It > System Unit > Flashcards

System Unit Flashcards

1
Q

A general-purpose tool built with a microprocessor, designed for use by an individual

A

Personal computer

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2
Q

The various physical components that comprise a computer system, as opposed to the non-tangible software elements

A

Hardware

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3
Q

PC Hardware Components:

Any device that an individual use to give instructions to the computer

A

Input devices

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4
Q

Equipment that the computer uses to communicate information to the users

A

Output devices

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5
Q

Facilitate communication by using a specific media

A

Communication devices

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6
Q

Refer to all hardware capable of holding information either temporarily or permanently

A

Storage devices

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7
Q

Internal Hardware

The enclosure for all other main interior or components of a computer. It is often called as the computer case, computer chassis or computer tower

A

System unit

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8
Q

Parts of the System Unit:

One of the vital parts of a computer system. It is known as the backbone of the computer. It is the mainboard of the computer where all the important components including the central processing unit (CPU), memory and the different connectors for input and output devices are attached to

A

Motherboard

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9
Q

A group of integrated circuits designed to perform one or more related functions. It is use to facilitate communication between the CPU and other components of the computer system

A

Chipset

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10
Q

The main brain or heart of a computer system. It is a chip that determines the processing power of the computer. This is responsible for interpreting and executing all the instructions and calculations that are needed and manage the flow of information through a computer

A

CPU (Central Processing Unit)

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11
Q

A major part of computers which data is stored to quick access by the computer’s processor. It is also known as main storage or primary storage

A

Memory

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12
Q

Types of Memory:

Non-volatile, meaning it holds data even when the power is on or off

A

ROM (Read Only Memory)

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13
Q

Volatile, meaning it holds data only when the power is on

A

RAM (Random Access Memory)

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14
Q

Allows the CPU to transfer information to the other devices in the computer and vice versa. It is a data pathway between several hardware components inside or outside a computer

A

Expansion bus

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15
Q

Connect the CPU to to other internal components

A

Internal buses

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16
Q

Support ports for external devices. These ports may be controlled directly by the south bridge I/O controller or based on the expansion cards attached to the motherboard through the PCI bus

A

External buses

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17
Q

A device that allows one hardware to be adapted to another hardware. It is used to give computers additional functionality or compatibility. They are often used to permit upgrading to a new different hardware

A

Adapter

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18
Q

Kinds of Adapter:

An IC or internal board that creates a picture on a display. It is a piece of computer hardware that is rectangular in shape with numerous contacts on the bottom of the card and one or more ports on the side for connection to video displays and other devices

A

Video card

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19
Q

An expansion card that produces sound on a computer which can be heard through speakers or headphones

A

Sound card

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20
Q

A component that is absolutely vital to the operation of the computer. It is a piece of hardware that used to convert the power provided from the outlet into usable power for many parts inside the computer case

A

PSU (Power Supply Unit)

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21
Q

The largest data storage device in computer. It uses magnetism to store data on a rotating platter. It is used as a permanent storage and provide quick access to large amount of data

A

HDD (Hard Disk Drive)

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22
Q

A storage device that uses lasers to read and write data on the optical media

A

Optical drive

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23
Q

External Hardware:

A system composed of several hardware or devices that have specific functions to make the computer system work succesfully

A

Computer

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24
Q

Allows the user to input letters and other symbols into a computer. It is one of the primary input devices used with computer

A

Keyboard

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25
Q

Parts of the Keyboard:

The center of the keyboard that contains the largest number of keys and included the spacebar, letters and numbers

A

Typing keypad

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26
Q

Arranged like a standard calculator used to enter numerical data

A

Numeric keypad

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27
Q

Used for special purposes and most programmers use these keys to do a specific task

A

Function keys

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28
Q

Used to navigate through documents and websites

A

Navigation keys

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29
Q

Used to cancel operations. It is often displayed as Esc

A

Escape key

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30
Q

Also known as status light, indicate the status of toggle keys such as num lock, caps lock, and scroll lock

A

Light indicator

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31
Q

Types of Keyboard:

Does not need to be connected to the computer via wire instead, it uses three basic types of connection-bluetooth, radio waves or infrared to connect to a wireless adapter

A

Wireless keyboard

32
Q

Slim and usually used in laptops where sizing issues make it difficult to accommodate a standard keyboard. It does not have the numeric pad that is present on the right side of other keyboards

A

Compact keyboards

33
Q

Has special keys called hotkeys, which perform functions related to internet usage

A

Internet keyboard

34
Q

Includes features meant to enhance gaming experience, as well as to provide convenient usage for gamers

A

Gaming keyboard

35
Q

A software device that lets the users input data just like an actual keyboard. It opens up in devices like a tablet or a smartphone

A

Virtual keyboard

36
Q

The most basic form of keyboard that maintains the layout over the last 20 years. It is popularly known as QWERTY keyboard

A

Standard keyboard

37
Q

Designed in such a way that typing can be done by putting least amount of stress on the fingers and wrist. This is a radical type of keyboard designed to prevent Carpal Tunnel Syndrome

A

Ergonomic keyboard

38
Q

Screen displays information from the computer. It is only used to display output information from a computer and provides no source of input

A

Monitor

39
Q

Types of Monitor:

The most common computer monitors. Similar to older TVs, it still typically have much better contrast ratios and viewing angles than other computer monitor alternatives

A

CRT (Cathode Ray Tube)

40
Q

A thin and light computer monitor. It displays images through the use of liquid crystal display

A

LCD (Liquid Crystal Display)

41
Q

Much thinner and lighter than LCD or plasma screens

A

O-LED (Organic Light Emitting Display)

42
Q

Use matrix of tiny gas plasma cells to create a picture. It is less commonly used with computers due to their high operating temperatures, high power consumption, and fixed resolution. It is thinner than CRT and brighter than LCD monitor

A

Plasma

43
Q

Provides a new way of interacting with your computer with a touch-sensitive screen. This allows user to interact directly with the application on screen without the need for a mouse or keyboard

A

Touchscreen

44
Q

Sense the user’s motion and clicks, then sends them to the computer so it can respond appropriately

A

Mouse

45
Q

An external device that can be connected to a computer to print text and photos. It is one of the most popular computer peripherals

A

Printer

46
Q

Types of Printer:

A computer-aided manufacturing (CAM) device that creates three-dimensional objects

A

3D printer

47
Q

Used to describe a hardware device that provides several functionalities, including printing, photocopying, faxing, and scanning. Alternatively, it is referred to as a Multi-function printer (MFP)

A

All-in-one printer

48
Q

Uses print heads to shoot ink or strike an ink ribbon to place hundreds to thousands of little dots to form text and images. It is also known as impact matrix printer

A

Dot matrix printer

49
Q

Cheaper, smaller and have the versatility to print text and photos with high quality

A

Inkjet printer

50
Q

A printing device that uses a focused beam or light to transfer text and images onto paper

A

Laser printer

51
Q

An LED technology that uses a light-emitting diode array as a light source in the print head. It somehow similar to a laser printer

A

LED printer

52
Q

A printer used to print large scale images or drawings. It is commonly used to print computer aided drawing and line-art applications

A

Plotter

53
Q

Uses heated pins to “burn” images onto heat-sensitive paper

A

Thermal printer

54
Q

Used to produce audio that can be heard by the users. It is one of the most common output devices used with computer systems

A

Speakers

55
Q

A place where data and information are stored in a digital format that can be retrieved anytime

A

Data storage

56
Q

Coated with iron oxide. It stores data in the form of tiny magnetized dots

A

Magnetic storage devices

57
Q

Used to read and write data to the disk

A

Mechanical arm

58
Q

A magnetic storage device where the computer’s operating system and programs are stored

A

Hard drive

59
Q

The storage of data in an optically-readable medium

A

Optical Storage Devices

60
Q

Types of Optical Storage Device:

Eventually transitioned from a music source to a form of data storage

A

CD (Compact Disc)

61
Q

Widely used for storing and viewing movies, audio and other data. It has an enhanced data storage capacity compared to compact disc

A

DVD (Digital Versatile/Video Disc)

62
Q

The newest high-definition optical format and was developed by the Blu-ray Dis Association (BDA). It was developed for storing large amounts of data as well as recording and rewriting. It offers more than five times the storage capacity of DVDs

A

Blu-ray

63
Q

A non-volatile memory chip used to store data. It is a combination of traditional EPROM and EEPROM, which means it can be electronically reprogrammed and erased

A

Flash memory

64
Q

Types of Flash Memory Devices:

A small piece of computer storage device used to store and transfer information from one computer to another. It is easy to use and suitable in transporting data conveniently. It tend to operate faster and reliable

A

Flash drive

65
Q

A portable electronic device that stores data such as text, pictures, audio and video for various computing devices

A

Memory card

66
Q

A flash memory that is used to store data for different compact electronic devices such as digital cameras and camcorder

A

Memory stick

67
Q

A hardware device designed to transmit an analog or digital signal from one place to another. It transmits data over the telephone through the use of communication wire which allows one computer to communicate with another

A

Communication device

68
Q

Capable of sending and receiving a signal that allows a computer to talk to other computers over the telephone. It is commonly used to connect computers to the internet but can also be used to communicate directly with another computer

A

Modem

69
Q

Types of Modem:

A modem that comes as an expansion board inserted into computer

A

On-board modem

70
Q

A modem that fits inside of a computer

A

Internal modem

71
Q

A modem that connects to the computer externally with the use of straight-through serial cable. It has a light indicator or other sensor that allows the user to check on the status of the internet connection

A

External modem

72
Q

A modem used with older laptops PCMCIA slot and can be added or removed as needed

A

Removable modem

73
Q

Commonly Used Communication Devices:

Connect computer via telephone line. It also connects broadband modems which have a high-speed connection the the internet

A

Dial-up modem

74
Q

Usually an external modem that hooks up to either the network card or the USB port. It is similar to dial-up modem, where user must have cable or DSL service in order for the modem to work on the system

A

Cable or DSL modem

75
Q

A hardware device designed to receive, analyze and move incoming packets to another network

A

Router

76
Q

It filters and centralizes communication among multiple devices connected in a LAN segments

A

Switch

77
Q

Connects multiple networks to a single internet connection

A

Hub

It (6 decks)

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