System Unit

Question 1

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

Answer 1

Personal computer

Question 2

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

Answer 2

Hardware

Question 3

PC Hardware Components:

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

Answer 3

Input devices

Question 4

Equipment that the computer uses to communicate information to the users

Answer 4

Output devices

Question 5

Facilitate communication by using a specific media

Answer 5

Communication devices

Question 6

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

Answer 6

Storage devices

Question 7

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

Answer 7

System unit

Question 8

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

Answer 8

Motherboard

Question 9

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

Answer 9

Chipset

Question 10

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

Answer 10

CPU (Central Processing Unit)

Question 11

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

Answer 11

Memory

Question 12

Types of Memory:

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

Answer 12

ROM (Read Only Memory)

Question 13

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

Answer 13

RAM (Random Access Memory)

Question 14

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

Answer 14

Expansion bus

Question 15

Connect the CPU to to other internal components

Answer 15

Internal buses

Question 16

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

Answer 16

External buses

Question 17

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

Answer 17

Adapter

Question 18

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

Answer 18

Video card

Question 19

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

Answer 19

Sound card

Question 20

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

Answer 20

PSU (Power Supply Unit)

Question 21

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

Answer 21

HDD (Hard Disk Drive)

Question 22

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

Answer 22

Optical drive

Question 23

External Hardware:

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

Answer 23

Computer

Question 24

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

Answer 24

Keyboard

Question 25

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

Answer 25

Typing keypad

Question 26

Arranged like a standard calculator used to enter numerical data

Answer 26

Numeric keypad

Question 27

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

Answer 27

Function keys

Question 28

Used to navigate through documents and websites

Answer 28

Navigation keys

Question 29

Used to cancel operations. It is often displayed as Esc

Answer 29

Escape key

Question 30

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

Answer 30

Light indicator

Question 31

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

Answer 31

Wireless keyboard

Question 32

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

Answer 32

Compact keyboards

Question 33

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

Answer 33

Internet keyboard

Question 34

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

Answer 34

Gaming keyboard

Question 35

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

Answer 35

Virtual keyboard

Question 36

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

Answer 36

Standard keyboard

Question 37

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

Answer 37

Ergonomic keyboard

Question 38

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

Answer 38

Monitor

Question 39

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

Answer 39

CRT (Cathode Ray Tube)

Question 40

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

Answer 40

LCD (Liquid Crystal Display)

Question 41

Much thinner and lighter than LCD or plasma screens

Answer 41

O-LED (Organic Light Emitting Display)

Question 42

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

Answer 42

Plasma

Question 43

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

Answer 43

Touchscreen

Question 44

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

Answer 44

Mouse

Question 45

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

Answer 45

Printer

Question 46

Types of Printer: A computer-aided manufacturing (CAM) device that creates three-dimensional objects

Answer 46

3D printer

Question 47

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)

Answer 47

All-in-one printer

Question 48

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

Answer 48

Dot matrix printer

Question 49

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

Answer 49

Inkjet printer

Question 50

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

Answer 50

Laser printer

Question 51

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

Answer 51

LED printer

Question 52

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

Answer 52

Plotter

Question 53

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

Answer 53

Thermal printer

Question 54

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

Answer 54

Speakers

Question 55

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

Answer 55

Data storage

Question 56

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

Answer 56

Magnetic storage devices

Question 57

Used to read and write data to the disk

Answer 57

Mechanical arm

Question 58

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

Answer 58

Hard drive

Question 59

The storage of data in an optically-readable medium

Answer 59

Optical Storage Devices

Question 60

Types of Optical Storage Device: Eventually transitioned from a music source to a form of data storage

Answer 60

CD (Compact Disc)

Question 61

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

Answer 61

DVD (Digital Versatile/Video Disc)

Question 62

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

Answer 62

Blu-ray

Question 63

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

Answer 63

Flash memory

Question 64

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

Answer 64

Flash drive

Question 65

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

Answer 65

Memory card

Question 66

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

Answer 66

Memory stick

Question 67

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

Answer 67

Communication device

Question 68

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

Answer 68

Modem

Question 69

Types of Modem: A modem that comes as an expansion board inserted into computer

Answer 69

On-board modem

Question 70

A modem that fits inside of a computer

Answer 70

Internal modem

Question 71

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

Answer 71

External modem

Question 72

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

Answer 72

Removable modem

Question 73

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

Answer 73

Dial-up modem

Question 74

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

Answer 74

Cable or DSL modem

Question 75

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

Answer 75

Router

Question 76

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

Answer 76

Switch

Question 77

Connects multiple networks to a single internet connection

Answer 77

Hub