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50 Cards in this Set

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  • Back
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Four parts of a computer system?

Hardware, software, data and user.

RAM (Hardware)

Random Access Memory. RAM is volatile, it holds data when the power is on. When turned off, all of the data is lost. Smallest unit is a byte which holds one character (one letter, number, etc.) RAM is the memory that the CPU goes to get what is needed.

CPU (Hardware)

Central Processing Unit. Manages all devices and performs processing of data. Procedure to transform raw data into useful information. Divided between processor and memory.

Memory (Hardware)

Consists of chips attached to the mother board. Holds the data, programs instructions and any documents the user wants to retain.

Input Devices (Hardware)

Accepts data and information from the user or from another computer system. Ex: keyboard, mouse, user.

Output devices (Hardware)

Return processed data back to the user or to another computer system. Ex: printer, monitor, speakers.

Communication devices (Hardware)

Perform both input and output, allowing computers to share information. Ex: modems, network interface cards.

Can make the words "in" and "out" from the first word

Storage Devices (Hardware)

Holds the data not currently being used by the CPU. Ex: hard drive disk, optical disk drive.

What is software?

Software is electronic instructions that tell the computer what to do.

System Software

Exists primarily for the computer itself to help the computer perform specific functions.

Functions

Application Software

Tells the computer how to accomplish tasks the user requires such as creating a document or editing an image. Ex: Word

Storage devices

RAM, hard drive, motherboard

Operating software (OS)

All computer need an OS. It tells the computer how to interact with the user and its own devices. Ex: Windows, Mac, UNIX

Cyberbullying

Bullying someone through social media or an online platform.

Cyber Luring

When someone communicates with another person and makes them meet up in real life. The person gains the trust of the individual and asks them to meet where they will most likely commit a crime.

ISP

Internet Service Provider. Organization that provides services for accessing, using or participating on the internet. Ex: Rogers, Bell.

Peripherals

Not a part of an actual computer but intended to work with one. Basically computer add-on's. Ex: printer, monitor, speakers, mouse.

Recommendations for setting up computers in a business

Networked computers- share programs, information, resources, peripherals. Saves money, can connect to computers in other locations.




Local Area Network- working in the same building.




Star Topology- all computers and peripherals are connected to one main server/HUB so if one crashes, no others are affected.




Licensing Agreement- be able to share software.

LAN

Local Area Network. Groups of computers that are connected in a network that are in the same building. Ex: the Lab or school

WAN

Wide Area Network. Group of computers connected in networks that are located in a variety of locations in a large area. Ex: all of the KPRDSB schools.

Bus Topology

All computers and peripherals are attached to one main cable. One broken network can bring down part or the entire network.

All computers and peripherals are attached to one main cable. One broken network can bring down part or the entire network.

Star Topology

All computers and peripherals are connected to one switch or HUB at the center of the networks. One broken connection doesn't affect anything else.

All computers and peripherals are connected to one switch or HUB at the center of the networks. One broken connection doesn't affect anything else.

Modems

A device or program that allows a computer to transmit data over. Ex: telephone, cable wires.

Online Safety/Privacy

-No personal information


-Use privacy settings


-Turn off GPS


-Only interact with people you know




Common sense. Use it.

Netiquette "do's"

-Use proper spelling and grammar


-Be respectful


-Use proper salutations/closings


-Acknowledge and return messages properly

Netiquette "don'ts"

-Forward junk mail


-Text inappropriate pictures


-Use sarcasm


-Use punctuation excessively


-Use your real name

Elements of Design (Microsoft Office)

Bold, italic, underline, strike through, outline, shadow, reflection, glow, font, colour

Function of Word

Create documents

Function of PowerPoint

Create presentations

Function of Excel

Create spreadsheets for business and marketing

Function of Publisher

Make visual presentation like a poster or brochure.

What are transitions?

Effects that manipulate how a slide looks while it's changing.

What are animations?

Effects that manipulate how a picture comes in, appears, looks.

Excel Functions

Mathematical equations



Minimum, maximum, sum, average



=SUM(A1:A5)

What is ergonomics?

The study of how the physical health of workers is affected by their workplace.

What health issues can arise from poor workplace setup?

Musculoskeletal injuries. Things such as Carpel Tunnel Syndrome in which the wrist is unable to move properly. Often caused by long hours of typing or the chair is not adjusted to the persons height.

Proper chair setup

-4 to 5 legs


-37.5 to 52.5 cm from the floor


-Firm seat back

Proper desk setup

-Enough space to avoid leg injuries


-Smooth, round edges


-Medium-light coloured surfaces


-Dull finish to reduce glare

Proper keyboard setup

-Elbows height


-Arms at 90 degrees


-Fingers on home row

Proper monitor setup

-Flat


-Top of screen at eye level


-Distance of 45 to 60 cm


-Cleaned of dust

What are ethics?

-What is considered to be right or wrong


-Each person's ethics are different


-"Legal" and "ethical" are two different ideas

What is an ethical dilemma?

When you have to make a decision regarding what actions to take in a situation. Sometimes doing the right thing means there is a negative consequence for you.

What is phishing?

When someone attempts to get your personal information. Usually businesses offering free things that require personal information to receive it.

Ethical issues with technology

-Pirating or illegally copying and distributing media


-Identity theft, phishing, privacy issues


-Hacking and viruses


-Cyberstalking and online harassment


-Spyware and cookies


-E-commerce and misleading advertisement-shills

Ethic of Justice

-Follows the rules and laws


-No exceptions


-Believe in fairness and equality


-Can be cold, inflexible and uncaring

Ethic of Care

-Considering the bigger picture


-Bends the rules


-Cares about feelings


-Responsibility to reduce harm and suffering for others


-Reliance on gut instincts

Code of Ethic

-Written documents explaining how the the business and its employees will behave.


-Most big businesses have a code of ethics.

What is hardware?

Hardware is the physical components of the computer system. Ex: monitor, motherboard, printer

What is data?

Data is raw unprocessed information that you key or scan into the computer. Ex: numbers. letters, symbols

What are users?

Users are the people who operate the computer. Ex: you, me