Digital Information Technology Semester 1 Review
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Questions and Answers

What type of memory is found on secondary storage devices?

Long-term memory.

What is the term for the instructions that tell a computer what to do?

Software.

Why is binary code made up of a series of ones and zeroes?

To turn the electrical switches in the CPU on and off. 0 = off, 1 = on.

What basic function is being performed when a person uses a scanner to send an image to a computer?

<p>Input function.</p> Signup and view all the answers

During the processing stage, what does the computer do?

<p>Use information.</p> Signup and view all the answers

Where would the information needed to start a computer be stored?

<p>BIOS (Basic Input Output System).</p> Signup and view all the answers

In which basic function does the computer save information?

<p>Storage.</p> Signup and view all the answers

What type of device are speakers and headphones?

<p>Output.</p> Signup and view all the answers

Where is most of the information processed in a computer?

<p>CPU (Central Processing Unit).</p> Signup and view all the answers

What type of software maintains a computer?

<p>Utility Software.</p> Signup and view all the answers

What's it called when you take care of a computer?

<p>Maintenance.</p> Signup and view all the answers

How do you properly care for a CD?

<p>Keep it in a hard case, grab by the edges.</p> Signup and view all the answers

Why should anti-virus and anti-spyware software be updated often?

<p>To keep pace with newly created viruses and spyware.</p> Signup and view all the answers

What should be used to clean the keyboard keys?

<p>Compressed air, cotton swab.</p> Signup and view all the answers

What should be used to save a computer from damage by sudden increases in voltage?

<p>Surge protector.</p> Signup and view all the answers

What program secretly monitors a user's computer activities?

<p>Spyware.</p> Signup and view all the answers

What kind of maintenance is Gina performing when she uses an internet service to store copies of her photos on 'the cloud'?

<p>Back-up maintenance.</p> Signup and view all the answers

What should Scott do when he receives an email from someone he doesn't recognize?

<p>Delete and don't open it.</p> Signup and view all the answers

About how often should the components inside the computer case be checked and cleaned?

<p>Every 6 to 12 months.</p> Signup and view all the answers

What location should be used to secure computer equipment?

<p>A locked cabinet.</p> Signup and view all the answers

How should a USB flash drive be handled?

<p>Keep the cover on the connector when not in use. Make sure the device has properly stopped before removing it. Keep it away from drinks and other liquids.</p> Signup and view all the answers

Why is it a good idea to set up a schedule for maintenance tasks?

<p>It is more likely the tasks will get done at regular times.</p> Signup and view all the answers

If your computer screen goes black, what is the troubleshooting process you should complete to get the screen to function again?

<p>Check the monitor cables, cords, and power outlet.</p> Signup and view all the answers

What is a computer hacker?

<p>Someone with unauthorized permission that breaks into your computer.</p> Signup and view all the answers

What is the term for the principles that people use to guide all their decisions?

<p>Ethical.</p> Signup and view all the answers

What is the combination of hardware and software that checks all information coming through a network server?

<p>Firewall.</p> Signup and view all the answers

Which part of an email holds the data needed to send the message, including the To: box?

<p>Header.</p> Signup and view all the answers

What is the host in the email address: < [email protected] >?

<p>SHS.</p> Signup and view all the answers

What command would you use to add a file to an email message?

<p>Attach.</p> Signup and view all the answers

What is the name of the computer through which email messages are sent and received?

<p>Mail server.</p> Signup and view all the answers

If your connectivity to the internet stops working, what is the troubleshooting process you should complete to get it functioning again?

<p>Check the internet cables, cords, and power cords/outlet. Restart your computer. Call tech support.</p> Signup and view all the answers

List the purpose of each domain type: a. ___, b. ___, c. ___, d. ___

<p>a. .com - commercial, b. .edu - education, c. .gov - government, d. .org - non-profit organization.</p> Signup and view all the answers

List the file extension for each document type: a. Excel - ____, b. Powerpoint - ____, c. Word - ____

<p>a. Excel - .xls, b. Powerpoint - .ppt, c. Word - .doc.</p> Signup and view all the answers

What is telecommunications?

<p>Transmitting information electronically by wires or radio signals with integrated encoding and decoding equipment.</p> Signup and view all the answers

What item sends information to and receives information from other networks?

<p>Router.</p> Signup and view all the answers

What type of network connects computers in a large geographic area?

<p>WAN (Wide Area Network).</p> Signup and view all the answers

In a computer network, what type of computer controls the resources?

<p>Server.</p> Signup and view all the answers

Facebook, Twitter, and LinkedIn are examples of what type of online community?

<p>Social Media.</p> Signup and view all the answers

What is the term for real-time conversation on a computer?

<p>Chat.</p> Signup and view all the answers

List ergonomic techniques relating to each item that help improve productivity and avoid injury: a. Posture, b. Typing, c. Workspace.

<p>a. Posture - Sit up straight, feet flat on the floor, arms at a 90° angle. b. Typing - Wrists relaxed, fingers curled, elbows bent. c. Workspace - Clean and organized.</p> Signup and view all the answers

What fingers go on each home key in the traditional keyboarding technique: LEFT - Pinkie: ____, Ring Finger: ____, Middle Finger: ____, Index Finger: ____, Thumb: ____; RIGHT - Pinkie: ____, Ring Finger: ____, Middle Finger: ____, Index Finger: ____, Thumb: ____

<p>LEFT - Pinkie: A, Ring Finger: S, Middle Finger: D, Index Finger: F, Thumb: Space; RIGHT - Pinkie: ; or :, Ring Finger: L, Middle Finger: K, Index Finger: J, Thumb: Space.</p> Signup and view all the answers

Study Notes

Memory and Storage

  • Secondary storage devices provide long-term memory for data retention.
  • BIOS (Basic Input Output System) contains essential information to start a computer.

Software and Processing

  • Software refers to the set of instructions guiding computer operations.
  • During the processing stage, the computer utilizes the provided information.

Input and Output Devices

  • Input functions, like scanners, allow users to send data to a computer.
  • Output devices, such as speakers and headphones, convey processed information to users.

Maintenance and Care

  • Utility software is essential for maintaining computer health.
  • Regular maintenance involves checking and cleaning components every 6 to 12 months.
  • Proper care for CDs includes storing them in hard cases and handling them by the edges.

Security and Protection

  • Anti-virus and anti-spyware software require frequent updates to counter new threats.
  • Surge protectors shield computers from voltage spikes.
  • Suspicious emails from unknown senders should be deleted without opening.

Data Management and Back-up

  • Back-up maintenance involves using cloud storage solutions for data preservation.
  • Secure storage for computer equipment is best done in locked cabinets.

USB Drive Handling

  • USB flash drives should be protected with covers when not in use and handled carefully to avoid damage.

Network and Connectivity

  • Firewalls combine hardware and software to monitor network data flow.
  • Routers facilitate communication between networks by sending and receiving information.

Internet and Email Basics

  • Email headers contain crucial information for message delivery, including the recipient's address.
  • The domain types serve specific purposes, with .com indicating commercial sites, .edu for educational institutions, .gov for government bodies, and .org for non-profits.

Telecommunications and Networks

  • Telecommunications involves electronic information transmission via wires or radio signals.
  • WAN (Wide Area Network) connects computers over large geographic distances.

Ergonomics and Keyboarding

  • Ergonomic practices enhance productivity and reduce injury risks: maintain proper posture, ensure relaxed typing posture, and keep workspaces organized.
  • Home keys for traditional keyboarding include specific finger placements for efficient typing.

Social Media and Communication

  • Platforms like Facebook, Twitter, and LinkedIn represent social media communities.
  • Real-time conversations on computers are referred to as chat sessions.

Troubleshooting

  • To troubleshoot a black screen, check monitor connections and power supplies.
  • Internet connectivity issues may require checking cables, restarting the device, or contacting tech support.

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Description

This quiz covers fundamental concepts from the Digital Information Technology semester 1 course. Topics include memory types, software definitions, and binary code functions. Enhance your understanding and prepare for assessments with these flashcards.

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