Intro to the World of IT Flashcards Preview

CompTia A+ Guide (220-1001) & (220-1002) > Intro to the World of IT > Flashcards

Flashcards in Intro to the World of IT Deck (40)
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1
Q

Something you can touch and feel; the physical computer and the parts inside it.

A

Hardware

2
Q

An application or operating system consisting of a set of instructions that makes the hardware work

A

Software

3
Q

A piece of software that loads a computer and makes it operational

A

Operating system(OS)

4
Q

Special software that allows an operating system to access a specific piece of hardware

A

Device driver

5
Q

Device drivers ____ hardware and operating system specific.

A. Are
B. Are not

A

A. Are

6
Q

A combination of hardware and software attributes. An example is a BIOS chip that has instructions(software) written into it.

A

Firmware

7
Q

A chip that contains computer software that locates the operating system, POST, and important hardware configuration parameters.

A

BIOS(basic input/output system)

8
Q

Displays information from the computer to the user

A

Monitor

9
Q

A device that converts AC voltage into DC voltage that the computer can use to power all internal and some external devices.

A

Power supply

10
Q

A sealed data storage medium on which information is stored.

A

Hard drive

11
Q

A storage device that accepts optical discs such as CDs, DVDs, or BDs that have data, music, video, or software applications

A

Optical drive

12
Q

The main circuit board of a computer.

A

Motherboard

13
Q

The part of the computer that temporarily stores applications, user documents, and system operating information

A

Memory

14
Q

A volatile type of memory that loses its data when power to the computer is shut off

A

RAM (random access memory)

15
Q

An electronic circuit card that insets into an expansion slot

A

Adapter

16
Q

A motherboard socket into which adapters are connected

A

Expansion slot

17
Q

A data input device that moves the cursor or selects menus and options

A

Mouse

18
Q

Allows users to provide input to the computer

A

Keyboard

19
Q

Output device that transfers information such as text and graphics from a computer onto paper or other media

A

Printer

20
Q

An input device that digitizes words or graphics and can be used as a copier.

A

Flatbed scanner

21
Q

A handheld device that reads a code displayed as a series of vertical lines of varying widths, or a quick response(QR) code that is a square with embedded information

A

Barcode scanner/ QR scanner

22
Q

A virtual reality device that is worn over the eyes to see a high-definition image

A

VR headset

23
Q

A space on a laptop below the keyboard that is used to control the cursor

A

Touchpad

24
Q

A digital input device that allows users to digitally sign their names

A

Signature pad

25
Q

An input device used with games or entertainment systems

A

Game controller

26
Q

An input device used to capture video images or motion

A

Camera/webcam

27
Q

An input device used to capture sound

A

Microphone

28
Q

An input/output device that commonly has a microphone and headphones

A

Headset

29
Q

An output device used to show an image on a screen or wall

A

Projector

30
Q

An external hard drive, flash drive, or memory used to store data

A

External storage drive

31
Q

A switch that enables connectivity of devices so they can be shared between computers

A

KVM

32
Q

A device that accepts cards that are inserted into the device in order to read data from the card or the chip on the card

A

Magnetic reader/chip reader

33
Q

A device that accepts cards that are tapped against the display or held in close proximity in order to read data from a smartphone or card

A

NFC device/tap-to-pay device

34
Q

A device that can read data from a card that has a magnetic strip such as a credit card, special business card, ID card, or room access card

A

Smart card reader

35
Q

An electrically charged 1 or 0

A

Bit

36
Q

8 bits grouped together as a basic unit

A

Byte

37
Q

Approximately 1,000 bytes of information (exactly 1,024 bytes)

A

Kilobyte

38
Q

Approximately 1 million bytes of data (exactly 1,048,576 bytes)

A

Megabyte

39
Q

Approximately 1 billion bytes of information (exactly 1,073,741,824 bytes)

A

Gigabyte

40
Q

Approximately 1 trillion bytes of information (exactly 1,099,511,627,776 bytes)

A

Terabyte