Module 3 - Introduction to Personal Computer

Question 1

This houses the internal components such as the power supply, motherboard, central processing unit (CPU), memory, disk drives, and assorted adapted cards.

Answer 1

Case

Question 2

Refers to the physical design and look of a case.

Answer 2

Form Factor

Question 3

Desktop computers are available in these form factors:

Answer 3

Horizontal Case
Full-size Tower
Compact Tower
All-in-One

Question 4

Computers use this to convert AC power into a lower voltage DC power required by internal components.

Answer 4

Power Supply

Question 5

Original power supply for legacy computer systems

Answer 5

Advanced Technology (AT)

Question 6

Updated version of the AT Power Supply

Answer 6

AT Extended (ATX)

Question 7

The most common power supply on the market today

Answer 7

ATX12V

Question 8

Power supply originally designed for network servers but is now commonly used in high-end desktop models.

Answer 8

EPS12V

Question 9

Most common voltages supplied by the power supply:

Answer 9

3.3V
5V
12V

Question 10

It is the printed circuit board (PCB) inside the power supply to which the external cables are connected. They can be single, dual, or multi.

Answer 10

Rail

Question 11

A power supply use these to power various internal components such as the motherboard and disk drives.

Answer 11

Connectors

Question 12

The backbone of the computer that contains buses, or electrical pathways, that interconnect electronic components. It is also a printed circuit board (PCB).

Answer 12

Motherboard

Question 13

Major Components on a Motherboard

Answer 13

1. Central Processing Unit (CPU)
2. Random Access Memory (RAM)
3. Expansion Slots
4. Chipset
5. Basic Input / Output System (BIOS) Chip & Unified Extensible Firmware Interface (UEFI) Chip
6. SATA Connectors
7. Internal USB Connector

Question 14

What does SATA stand for?

Answer 14

Serial AT Attachment

Question 15

What does CPU stand for?

Answer 15

Central Processing Unit

Question 16

What does BIOS stand for?

Answer 16

Basic Input/Output System

Question 17

What does UEFI stand for?

Answer 17

Unified Extensible Firmware Interface

Question 18

Connects a monitor to a computer using a cable. This and monitor cables transfer analog signals, digital signals, or both.

Answer 18

Video Port

Question 19

These ports on a computer connect peripheral devices such as printers, scanners, and portable drives.

Answer 19

Input/Output (I/O) Ports

Question 20

This component performs the same function as an adapter but also translates the signals from one technology to the other.

Answer 20

Converter

Question 21

This component physically connects one technology to another.

Answer 21

Adapter

Question 22

Users use this to communicate with a computer.

Answer 22

Input Devices

Question 23

Two most commonly used input devices

Answer 23

Keyboard and Mouse

Question 24

These input devices digitize an image or document.

Answer 24

ADF/Flatbed Scanner

Question 25

These input devices are used for playing games.

Answer 25

Joystick and Gamepad

Question 26

This input device is a hardware device that can be used to control more than one computer while using a single keyboard, monitor and mouse.

Answer 26

KVM Switch

Question 27

This input device use touch or pressure sensitive screens.

Answer 27

Touch Screen

Question 28

This is a type of digitizer that allows a designer or artist to create artwork by using a pen-like tool.

Answer 28

Stylus

Question 29

A device that reads information magnetically encoded on the back of plastic cards.

Answer 29

Magnetic Strip Reader

Question 30

A device that reads the information contained in the barcodes affixed to products.

Answer 30

Barcode Scanner

Question 31

Devices identifying a user based on unique facial features.

Answer 31

Facial Recognition Scanners

Question 32

Devices identifying a user based on unique fingerprint.

Answer 32

Fingerprint Scanners

Question 33

Devices identifying a user based on unique voice.

Answer 33

Voice Recognition Scanners

Question 34

Input device used with computer games, simulators, and training applications with virtual reality functionalities.

Answer 34

Virtual Reality Headset

Question 35

It takes binary information from the computer and converts it into a form that is easily understood by the user.

Answer 35

Output Device

Question 36

It uses computer technology to create a simulated, three-dimensional environment. Its headset completely encases the upper portion of users’ faces, not allowing in any ambient light from their surroundings.

Answer 36

Virtual Reality (VR)

Question 37

It superimposes images and audio over the real world in real time and can provide users with immediate access to information about their real surroundings. Its headset does not close off ambient light to users, allowing them to see their real-life surroundings.

Answer 37

Augmented Reality (AR)

Question 38

Output devices that create hard copies of files

Answer 38

Printers

Question 39

Type of auditory output device

Answer 39

Speakers

Question 40

Devices that capture digital images and videos

Answer 40

Digital Camera

Question 41

Video Cameras that can be integrated into a computer.

Answer 41

Webcams

Question 42

Device that electronically captures a person’s signature

Answer 42

Signature Pad

Question 43

Device used on a computer to authenticate the user.

Answer 43

Smart Card Reader

Question 44

Device that allows a user to speak into a computer and have their voice digitized.

Answer 44

Microphone

Question 45

Recent input device that you tap to pay devices

Answer 45

Near Field Communication (NFC) devices and terminals

Question 46

Three types of technology most monitors use:

Answer 46

Light Crystal Display (LCD)
Light-Emitting Diode (LED)
Organic LED (OLED)

Question 47

Most video projectors use this technology

Answer 47

LCD or Digital Light Processing (DGL)