Acronyms
Keyboard Shortcuts
Mac
Windows
Impossible
Phone Tips
100
What is RAM, and how much RAM should you have?
Random Access Memory - short term memory. Data is stored in RAM to run your application. Recommend 16 GB or higher. The more the better.
100
What is the keyboard shortcut to force quit an application on a Mac?
OPT + CMD + ESC, or Click Apple icon, and Force Quit.
100
What’s the easiest way to back up your entire computer on a Mac?
Time machine. External USB or NAS drive.
100
How do you end an application/task that is frozen on Windows?
Press CTRL+ALT+DEL key together and End Task.
100
What are the file extensions for a program on windows and Mac?
Windows - EXE
Mac - DMG
100
How do you close all tabs at once in Safari on an iPhone?
1. Press and hold the double square icon at the bottom right of the screen
2. Tap on close all tabs.
200
What is SSD, and how is it different than traditional Hard drive ?
Solid State Drive - read/write 500 Mb/s, vs standard hard drives 30-100 Mb/s.
200
What is the keyboard shortcut to see all your files on the desktop on Windows?
Windows key + E
200
What application do you use to see all files and folders on a Mac? e.g Desktop, Documents, etc..
Finder - This is equivalent to file explorer on windows
200
What is windows 11 built in Antivirus?
Microsoft Windows Defender
200
What is a MAC address?
Media Access Control - its 12 Characters, made of numbers and characters. It's Unique, there are no 2 MAC addresses in the world. it's assigned to devices, printer, Nic cards, computers. etc..
200
How do you restart an Android phone if its frozen?
Press Power button and Volume up key together until screen shuts down.
300
What is the USB-C and its advantages?
Universal Serial Bus - USB-C is much faster transfer rate, up to 40 Gbps, and can transfer video.
300
What is the keyboard shortcut to minimize all open windows on a PC?
Windows key + M
300
What's the fastest way to search for any file on a Mac?
CMD + Spacebar - this is a global search. you can search for documents, pictures, music, websites, etc.
300
What is the easiest way to take screenshot or record video screen on a PC?
Use Snipping tool - built in windows 10 and 11.
300
which encryption method should you use on your wireless network? WPA, WPA2 or WPA3?
WPA2 is recommended. WPA3 is the latest but not 100% compatible with older devices.
300
How do you restart an iPhone when its not responding or frozen?
IOS 17 -
1- Press and quickly release volume Up button
2 -Press and quickly release volume Down button
3 -Press and Hold the side button
When the Apple logo appears, release the side button
400
What is Thunderbolt port? and where is it used?
Same connection as USB-c, but very fast transfer. used on new laptops. latest is Thunderbolt 4 found on Mac's.
400
What is the keyboard shortcut to show or hide the desktop icons on Windows?
Windows key + D
400
How do you force shutdown a Mac if it's frozen?
Press and hold the power button for 15-20 seconds, until it shuts down.
400
How do you delete your temporary files on Windows?
1 -Type %temp% in the search bar.
2- Select all the files by pressing CTRL+A
3- Delete all the files
400
What's a purpose of a VPN and when should you use it?
Virtual Private Network - should be used if using public WiFi network, such as hotel rooms. It encrypts data between your computer and internet. Consult with IT professional before setting up a VPN.
400
Fastest way to call emergency services on iPhone?
1- Press and hold side button and either volume up or down button at the same time
2- swipe on Emergency call
500
What are JPG, PNG, BMP, RAW, TIFF, PSD?
Different compression formats used for pictures.
JPG - compressed
PNG - Transparent
RAW, TIFF, BMP - uncompressed
PSD - photoshop
500
What is fastest way to quick preview a file on a Mac?
Spacebar - can preview of a document, picture, video, music, etc.
500
How do you start MAC in recovery mode?
Restart your Mac and hold down Command +R keys to boot in recovery mode.
On M1 Macs, press and hold Power button and wait until you see Apple logo
500
How do you start Windows 10 or 11 in safe mode or recovery mode?
Hold Shift Key while selecting Power >Restart.
500
What is the easiest way to check your upload and download speed?
1- Type www.speedtest.net
2- Click the GO button.
500
How do you see the battery % on iPhone instead of battery bar?
1- Settings
2 - Battery
3- Turn on "Battery percentage"
600
What is SSID and what is it used for?
Service Set Identifier - it's your WiFi network name.
600
How do you take screenshot on a Mac?
Shift+CMD+4 - selected window
Shift +CMD+5 - record MP4 video with Sound
600
What are the recommended backup methods for windows or Mac ?
1- Local external backup
2- Offsite backup
3- Cloud based backup (Google ,Onedrive, , Carbonite, Dropbox)
Use a combination of above.
600
What are i3,i5,i7 on a windows computer?
It's the brain of a computer. i9 is the fastest CPU as of today. Processors by Intel.
600
What's the difference between a WiFi extenders and a Mesh network?
WiFi extenders are good for weak signals. Mesh systems create consistent coverage throughout your network and have a single SSID name.
600
How do you close All open programs on an iPhone?
On phones without home button:
Swipe up slowly from the bottom of the phone until you see all apps, then close each app by swiping up.
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On phones with home button:
Double press the home button quickly, then close each app.