Shared Flashcard Set

Details

VVIT - Computing Overview
Computing Overview
170
Other
Not Applicable
10/23/2018

Additional Other Flashcards

 


 

Cards

Term
[image]
Definition
VGA (Video Graphics Array) Port
Term
Computers are made up of several constituent components that can be divided into WHAT TWO MAIN CATEGORIES?
Definition
Hardware & Software
Term
What is the physical components that compose a computer system or network?
Definition
Hardware
Term
What is Hardware?
Definition
The physical components that compose a computer system or network.
Term
What are common Hardware components?
Definition
- Keyboard, Mouse, Monitor, Printer
- Connectors and Cables
- Hard Disks Drives
- Circuit Boards
Term
What is instructions or data that are stored electronically, either on a hard drive or a special chip?
Definition
Software
Term
What is Software?
Definition
Instructions or data that are stored electronically, either on a hard drive or a special chip.
Term
Software components include the following:
Definition
- Operating Systems
- Program Applications
- Hardware Drivers (special programs that tell the operating system how to use the hardware)
Term
What is Firmware?
Definition
A special type of software that has been embedded in the read-only memory of a hardware component. Ex. BIOS Chip
Term
What is input?
Definition
The movement of data or commands to the internal computer hardware.
Term
Standard input devices include:
Definition
Mouse, Keyboard, Touchscreen
Term
Media input devices include:
Definition
Scanner, Digital, Camera, Webcam, Camcorder
Term
Scanner, Digital, Camera, Webcam, Camcorder
Definition
Microphone, MIDI Controller
Term
What is Processing?
Definition
The flow of data through a series of procedures as defined by a set of instructions.
Term
The flow of data through a series of procedures as defined by a set of instructions.
Definition
Processing
Term
Major processing components include:
Definition
- CPU (Central Processing Unit)
- RAM (Random-access Memory)
Term
What is RAM?
Definition
Temporary, short-term type of storage used by the CPU to store processed information for quick access. RAM is considered volatile memory because it is not persistent.
Term
Temporary, short-term type of storage used by the CPU. Volatile memory.
Definition
RAM (Random-access Memory)
Term
Storage devices include:
Definition
- Hard disk drives
- Solid-state drives
- Optical drives (CD-ROM, DVD-ROM, and Blue-ray)
- Flash drives
Term
Output
Definition
The process of the computer presenting, displaying, or otherwise giving data.
Term
The process of the computer presenting, displaying, or otherwise giving data.
Definition
Output
Term
Output devices include:
Definition
- Video
- Audio
- Printing
Term
Networking and Communications
Definition
The practice of connecting two or more computers in order to transfer data.
Term
The practice of connecting two or more computers in order to transfer data.
Definition
Networking and Communications
Term
Networking - Connecting Media components include:
Definition
- Copper Cables
- Radio Signals
Term
Networking - Connection Devices include:
Definition
- Routers
- Switches
Term
Modern hardware components use what kind of design?
Definition
Modular
Term
Modern hardware components use modular design which implements both:
Definition
- Componentization
- Standardization
Term
With componentization, each part is considered what?
Definition
FRU (Field-replaceable Unit), meaning it can be quickly replaced when faulty or easily upgraded when needed.
Term
What is Standardization?
Definition
Allows components from different manufacturers to be interchangeable.
Term
Allows components from different manufacturers to be interchangeable.
Definition
Standardization
Term
What is a VGA port?
[image]
Definition
Video Graphics Array port
Term
What is VGA used for?
[image]
Definition
To connect external display devices, such as projectors and some monitors.
Term
What...

- Transmits analog video signal
- Have three rows of five pins
- Uses a DE-15 connector
Definition
VGA (Video Graphics Array) Port - DE-15 connectors are often times called DB-15 connectors
[image]
Term
[image]
Definition
DVI (Digital Visual Interface) Port
Term
What is DVI?
Definition
Digital Visual Interface
[image]
Term
DVI Ports connect what kind of devices?
[image]
Definition
Display devices
Term
DVI Ports can...
[image]
Definition
- Carry either an analog, digital, both types of signals
- Support one of two cable and connector types: Single Link or Dual Link
Term
[image]
Definition
HDMI Port (High-Definition Multimedia Interface)
Term
What is an HDMI Port?
Definition
High-Definition Multimedia Interface port used to send high-quality, digital video and audio signals.
[image]
Term
[image]
Definition
DisplayPort
Term
What is a DisplayPort?
Definition
Port used to send high-quality, digital video and audio signals.
[image]
Term
What devices use the HDMI and DisplayPort?
Definition
- LCD Monitors
- HDTVs
{[image]image:4edk351634961|center}
Term
HDMI has a smaller form factor connector called...
Definition
HDMI-mini connector
Term
What is the HDMI-mini connector used for?
Definition
To connect smartphones, tablets, and digital cameras to external displays.
Term
[image]
Definition
Thunderbolt
Term
What is a Thunderbolt port and its use?
Definition
- It combines the PCI Express (PCIe) and DisplayPort signals into a single interface
- Can also provide DC power
- Mainly used for external displays
[image]
Term
What...

- Combines the PCI Express (PCIe) and DisplayPort Signals into a single interface
- Can also provide DC power
- Mainly used for external displays
Definition
Thunderbolt
[image]
Term
[image]
Definition
Separated Video (S-Video) port - miniDin-4
Term
What is S-Video port used for?
Definition
Connecting external displays and has a slightly better picture quality than RCA Video ports
[image]
Term
[image]
Definition
USB Type-A port
Term
What port is used to connect the following variety of devices:

- Mouse and Keyboard devices
- External storage devices
- Digital cameras
- Printers
- Scanners
- Microphones
- Webcams
Definition
USB Type-A port
[image]
Term
[image]
Definition
IEEE 1394 (FireWire) Port
Term
What are IEEE 1394 (FireWire) ports used for?
Definition
To connect devices that require fast communications speeds... External hard drives, video cameras
[image]
Term
[image]
Definition
Audio Jack
Term
What connects audio devices, such as:

- Speakers
- Headphones
- Microphones
- Audio Output Devices (e.g., radios)
Definition
Audio Jack
[image]
Term
[image]
Definition
Term
[image]
Definition
Coaxial S/PDIF port & Fiber S/PDIF port
[image]
Term
What is the following used for?
[image]
Definition
To send a digital audio signal to high-end audio devices (Home theatre systems or Dolby Digital surround sound systems)
Term
What kind of cables are used for the following?
[image]
Definition
- Coaxial S/PDIF ports use a copper coaxial cable
- Fiber S/PDIF ports use fiber optics cables
[image]
Term
[image]
Definition
RJ45 Port
Term
What are RJ45 ports used for and how many pins?
Definition
- To create Ethernet networks by connecting multiple computers and networking devices
- 8 Connector Pins
[image]
Term
[image]
Definition
RJ11 Port
Term
What are RJ11 ports used for and how many pins?
Definition
- Used by telephones and modems to send analog signals
- 4 connector pins
Term
What are legacy ports?
Definition
Computer ports that have been replaced by newer technology
Term
[image]
Definition
PS/2 Port - Also called mini-DIN-6
Term
What is the PS/2 (Mini-DIN-6) port used for?
Definition
To connect older PS/2 Keyboard or Mouse devices.
[image]
Term
The purple PS/2 port connects what device?
Definition
Keyboard port
Term
The green PS/2 port connects what device?
Definition
Mouse port
Term
The PS/2 Port has been superseded by what port?
Definition
USB Port
Term
[image]
Definition
Serial (DB-9)
Term
What is the Serial (DB-9) port used for?
Definition
- To connect serial devices, such as a barcode scanner, dial-up modem, or serial mouse
- Configure and manage some networking devices
[image]
Term
[image]
Definition
Parallel (DB-25)
Term
What is a Parallel (DB-25) port used for?
Definition
Connects older devices that use a parallel interface, such as printers, hard drives, and gamepads.
[image]
Term

The Parallel (DB-25) port was superseded by what ports?

[image]

Definition

USB and RJ45 ports

[image][image]

Term
[image]
Definition
DB-15
Term
What is the DB-15 port used for?
Definition
By legacy gamepads, joysticks, and MIDI devices. These ports are typically found on older sound cards.
[image]
Term
[image]
Definition
HDMI to DVI
Term
[image]
Definition
VGA to DVI
Term
[image]
Definition
DVI to Thunderbolt
Term
[image]
Definition
VGA cable to an HDMI port
Term
[image]
Definition
Ethernet to USB (RJ45 to USB)
Term
[image]
Definition
USB B to USB A
Term
[image]
Definition
PS/2 to USB
Term
You are looking at a female TRS connector on the computer.

Which device uses this connector?
Definition
Speaker
Term
You purchased a new LED monitor for your computer. On the back of the monitor you see the following port (pictured below).
[image]
Which type of cable should you use to connect the monitor to your computer?
Definition
DisplayPort Cable
Term
You are connecting an older, dot matrix printer to a computer. The printer's cable is a D-Shaped connector with 25 pins. Which port type does the printer connect to?
Definition

Parallel Port

[image]

Term
You are providing telephone support for a user who is trying to connect a computer to a projector. You know that the projector only has a VGA port.

How would you describe the connector that the user should look for?
Definition
D-shaped with 15 pins
Term
Which of the following are considered computer hardware? (Select two)

- Printer
- Motherboard
- Microsoft Office
- Operating System
- Drivers
Definition
- Printer
- Motherboard
Term
Which computer function takes data through a series of procedures as defined by a set of instructions?

- Processing
- Storage
- Output
- Networking
Definition
Processing
Term
You need to replace a broken monitor on a desktop system. You decide to replace it with a spare monitor that wasn't being used. Even though the monitor is made by a different manufacturer than the desktop computer, it still works with the computer.

Which computer design concept makes this possible?

- Standardization
- Firmware
- Plug and Play
- Componentization
Definition
Standardization
Term
Which of the following are considered input devices? (Select three)

- RAM
- Scanner
- Keyboard
- Monitor
- Microphone
- Printer
Definition
- Scanner
- Keyboard
- Microphone
Term
Which connector on the back of a computer is used to attach a mouse to a modern PC system?
Definition
USB A
Term
Which devices uses a high-density (three-row) female DB-15 connector?

- External modems that use a serial port
- USB storage devices
- IEEE 1284 printers
- VGA/SVGA monitors
Definition
VGA/SVGA monitors
Term
You are helping a customer over the phone who needs to connect a monitor that uses a digital interface. Which port should you instruct her to look for on the back of her PC?

- Firewire 6-pin
- SVGA DB-15 3-row
- DVI
- Serial DB-15
Definition
DVI
Term
What is an Operating System?
Definition
A set of programs that acts as an interface between the applications that are running on a computer and the computer's hardware.
Term
What performs actions such as:

- Receiving user input from input hardware devices such as the keyboard or mouse
- Sending user output to output hardware devices such as the monitor or a printer
- Controlling the use of processing devices by applications
- Serving as a platform for applications
- Moderating hardware
- Providing Security
- Managing the file system
Definition
Operating System
Term
What attributes do some Operating Systems have?
Definition
- Multiprocessing
- Multitasking
- Multithreading
Term
What is Multiprocessing?
Definition
The ability to use multiple processing devices.
Term
What is Multitasking?
Definition
The ability to run multiple applications simultaneously. Two common variations are:

Cooperative - Multiple processes must work together for the operating system to work effectively

Preemptive - Forces applications to share the CPU
Term
What is Multithreading?
Definition
The ability to run multiple parts of an application simultaneously.
Term
What are the parts of an Operating System?
Definition
Kernel, Driver, Interface, Utilities, Application
Term
What is the Kernel?
Definition
The core of the operating system that is loaded into memory when the system boots up.
Term
The core of the operating system that is loaded into memory when the system boots up.
Definition
The Kernel
Term
What is the Kernel responsible for?
Definition
- Controlling Security
- Managing the file system
- Providing a platform for applications to run on
Term
What is a Driver?
Definition
A type of computer program that enables the operating system to interact with hardware devices.
Term
What is an Interface?
Definition
It allows the user to interact with the Kernel and the Utilities
Term
What are the two main types of Interfaces?
Definition
- Command Line Interface
- Graphical User Interface (GUI)
Term
What is a Command Line Interface?
Definition
Commands executed through instructions written into a command line. Ex. MS-DOS and Aspects of Linux
Term
What is a Graphical User Interface (GUI)?
Definition
User executes commands by clicking on graphics and symbols. Ex. Windows
Term
What are Utilities?
Definition
Features or programs included with an operating system that perform system-related tasks. (Ex. Windows - My Computer, Control Panel, This PC...Linux - cd, cp, grep, Is)
Term
What is an Application?
Definition
A subclass computer program that is designed for end users. Ex - Database, Spreadsheet, and word processing programs
Term
Which Windows component can be used to display information such as weather forecasts, time, and news headlines on the desktop?

- Gadgets
- Computer Management
- User Account Control (UAC)
- Notification Area
Definition
Gadgets
Term
Which component of Windows prompts the user for credentials or permission to minimize the dangers of unintended software installations?

- User Account Control (UAC)
- Firewall with Advanced Security
- Defender
- Firewall
Definition
User Account Control (UAC)
Term
Which of the following items are likely to be displayed in the Notification Area of a computer running the Windows operating system? (Select two)

- The current time
- Icons representing all currently open applications
- Icons representing all currently open documents
- Shortcuts to launch recently used applications
- A volume control
- Shortcuts to open recently used documents
Definition
- The current time
- A volume control
Term
Which Windows tools would you use to browse the file system on a drive? (Select three)

- Taskbar
- Network
- File Explorer
- Notification Area
- Computer
- Windows Explorer
Definition
- File Explorer
- Computer
- Windows Explorer
Term
Which of the following is the term used for a set of programs that acts as an interface between the applications that are running on a computer and the computer's hardware?

- Utilities
- Driver
- Command Line
- Operating System
Definition
Operating System
Term
Operating System attribute:

Ability to use multiple processing devices.
Definition
Multiprocessing
Term
Operating System attribute:

Ability to run multiple applications simultaneously.
Definition
Multitasking
Term
Operating System attribute:

Ability to run multiple parts of an application simultaneously.
Definition
Multithreading
Term
Which of the following is the name of the core of the operating system that is loaded into memory when the system boots up? This part of the operating system is responsible for

- Controlling Security
- Managing the file system
- Providing a platform for applications to run on
Definition
Kernel
Term
You need to find a file that you saved on your computer. You will have to search for it because you don't remember which directory it was saved in. Which Windows feature improves the speed of file searches on your computer?

- Cloud Storage
- Quick Launch
- Windows Explorer
- Indexing Service
- Aero Flip 3D
Definition
Indexing Service
Term
NEXT IS LINUX
Definition
NEXT IS LINUX
Term
What type of operating system is Linux?
Definition
Open Source
Term
What is a distribution?
Definition
A custom version of Linux
Term
What are some popular distributions of Linux?
Definition
- openSUSE
- Fedora
- Ubuntu
Term
What two interfaces does Linux provide?
Definition
- Graphical Interface
- Command Line Interface (called the Shell)
Term
What is the shell in Linux often referred to?
Definition
Bash (Bourne-again shell) Shell
Term
In Linux, what is equivalent to administrator in Windows?
Definition
Superuser
Term
What are two important features of Linux?
Definition
- Command history: Each time you enter a command at the shell prompt, that command is saved.
- Command Completion: When you begin entering a command, you can press the TAB key, and the Linux shell will guess what you're trying to type and auto completes the command for you.
Term
What is the following Linux command?

PWD
Definition
Present Working Directory - Displays the path of the current directory
Term
What is the following Linux command?

IFCONFIG
Definition
Displays the IP address and the subnet mask assigned to this system.
Term
What is the following Linux command?

LS
Definition
Displays a list of files and subdirectories that exist within a directory. Some options w/ the LS command include:

-a: Displays all files, including hidden files

-l: Displays a detailed (long) listing of directory contents including ownership, permissions, modification dates, and file sizes

-R: Displays the contents of the directory as well as all of its subdirectories
Term
What is the following Linux command?

--HELP
Definition
Displays a brief summary of how to use the command
Term
What is the following Linux command?

BASH
Definition
Starts a new Bourne-again shell (bash) session
Term
What is the following Linux command?

MAN
Definition
Displays the manual page for a command. Similar to help, more detail. Use Q key to quit and go back to the shell.
Term
What is the following Linux command?

INFO
Definition
Displays more extensive documentation about the command. Use Q key to quit and go back to the shell.
Term
What is the following Linux command?

CD
Definition
Changes directories in the file system. Ex: to change to the /home directory in the file system, you would enter "cd /home" at the shell prompt.
Term
What is the following Linux command?

MV
Definition
Moves files and directories from one location to another. Ex: to move "widget.odt" file to the "/home/rtracy" directory, you would enter "mv widget.odt /home/rtracy"
Term
What is the following Linux command?

RM
Definition
Deletes files and directories from the file system. Ex: to delete the "widget.odt" file, you would enter "rm widget.odt"
Term
What is the following Linux command?

CAT
Definition
Displays the contents of a text file on the screen. Ex: "cat widget.txt"
Term
What is the following Linux command?

LESS
Definition
Displays the contents of a text file, pausing the output one screen at a time. Ex: "less widget.txt"
Term
What is the following Linux command?

HEAD
Definition
Displays the first few lines of a text file on the screen. Ex: "head widget.txt"
Term
What is the following Linux command?

TAIL
Definition
Displays the last few lines of a text file. Ex: "tail widget.txt"
Term
What is the following Linux command?

VI
Definition
Edits the contents of a text file.

Four different operating modes:

- Command Mode
- Command-line Mode
- Insert Mode
- Replace Mode

Ex: "vi widget.txt" - then press the "I" key to enter Insert mode and made changes. When done, "Esc key" to enter Command mode. Then press ":key" to enter command-line mode where you would enter "exit" to save your changes and the VI editor.
Term
What is the following Linux command?

SU
Definition
Allows you to switch user accounts.

- "SU -" is used to switch to the root user with the home directory and environment variables assigned to the root user
Term
What is the following Linux command?

SHUTDOWN
Definition
The shutdown command brings the system down or reboots the system in a secure manner. Syntax "shutdown -h/-r +m message"

+m: amount of time in minutes
-h: instructs to shut down or power down
-r: instructs to reboot after shutdown
-p: powers off the machine
message: specifies message
Term
What would you enter at the command prompt to start a new Bourne-again shell (bash) session?
Definition
BASH
Term
What would you enter at the command prompt on a Linux system to display the present working directory?
Definition
PWD
Term
What would you enter at the command prompt on a Linux system to display the IP addresses and the subnet masks assigned to each network interface on a Linux system?
Definition
IFCONFIG
Term
What would you enter at the command prompt on a Linux system to display a list of files and subdirectories that exist within the present working directory?
Definition
LS
Term
You are logged in as a user with limited system privileges. You are the Linux system administrator and you have the password to the root user account. When you need to switch to root user to perform administrative tasks, what command would you enter at the command prompt?
Definition
SU -
Term
You want to know more about the usage, command, syntax, and the options available with the Linux ifconfig command. What would you enter at the command prompt to display this information about ifconfig?
Definition
MAN IFCONFIG
Term
What is Keychain in a Mac OS system?
Definition
Password management utility
Term
What is Spotlight in a Mac OS system?
Definition
Indexing utility to search. "Command +Spacebar" or clicking Spotlight on the status menu.
Term
What is the Dock in a Mac OS system?
Definition
Main taskbar used to launch apps, switch between running apps, trash, or folders
Term
What is Force Quit in a Mac OS system?
Definition
Stop non-responsive processes and applications. "Command+Option+Esc"
Term
What is Terminal in a Mac OS system?
Definition
Command Line interface utility
Term
What is the following MAC OS keyboard key?
[image]
Definition
Primary modifier key on Apple systems. Similar to Ctrl key in Windows.
Term
What is the following MAC OS keyboard key?
[image]
Definition
Option key used for application shortcuts and navigation shortcuts. Similiar to ALT Key. Ex: Option+Right/Left Arrow - Navigates between words in text doc.
Term
What is the following MAC OS keyboard key?
[image]
Definition
The Control key is primarily used for text document navigation. Other functions: Command+Control+Power Button forces the MAC OS to restart
Term
What is the following MAC OS keyboard key?
[image]
Definition
The Fn Key is typically only found on Apple notebooks and used to access the F1-F12 keys on the keyboard.
Term
What key in MAC OS matches the following description:

The primary modifier key on Apple systems, used like the Ctrl key on Windows system.
Definition
Command
[image]
Term
What key in MAC OS matches the following description:

Primarily used for text document navigation.
Definition
Control
[image]
Term
What key in MAC OS matches the following description:

Used for application and navigation shortcuts
Definition
Option[image]
Term
What key in MAC OS matches the following description:

Typically found on Apple notebooks an did used to acces the F1-F12 keys on the keyboard
Definition
Function - FN
[image]
Term
You're working on a Mac computer that has an issue with a non-responsive application. You need to stop the application using the Force Quit feature.

Which of the following keyboard shortcuts can be used to access the Force Quit feature?

- Command+Option+Esc
- Command+Esc
- Command+Q
- Command+Spacebar
Definition
Command+Option+Esc
Term
Which of the following Mac features is used to launch apps, switch between running apps, access the Trash, and also to access specific folders.

- Mission Control
- Dock
- Spotlight
- Terminal
Definition
Dock
Term
What is the name of the Mac feature that makes these finger motions available?
Definition
Gestures
Term
Mission Control is a desktop and windows management utility that is used to access several MAC OS features. Which of the following are Mac features accessed through Mission Control. (Select three)

- Multiple Desktops
- All Windows
- Spotlight
- Dashboard
- System Preferences
- Boot Camp
- Secure Notes
Definition
- Multiple Desktops
- All Windows
- Dashboard
Supporting users have an ad free experience!