Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

J277 1.2.4

Data Storage

TermDefinition
Denary Number system from 0–9 used by humans
Binary Number system that computers use to represent data/instructions because electricity has 2 states (on or off)
Overflow Error When data does not fit into one byte after binary addition e.g. 100001000
Binary Shift When binary numbers shift to the left for multiplication and right for division
Character Any letter, number or symbol used on a computer
Pixel One individual dot of colour within an image; sometimes called an element​
Resolution The quality of an image indicated by the number of pixels used to create it​
File Size The number of bits used to store a whole file
Metadata Extra Information about the data that allows a computer to recreate a file from binary e.g. height, width
Bit Rate The number of bits used per second for sound/video data
Analogue When data is in its original real–world format
Colour Depth The number of bits used to represent the colour of each individual pixel​
Hexadecimal A number system with 16 possible options often used to represent colours on the web​
Character Set A set of available characters used by the computer e.g. ASCII, Unicode
ASCII 8 bit Standard character set containing 128 characters for the English language
Extended ASCII 8 bit Character set containing 256 characters for the main European languages
Unicode 16 bit Character set containing millions of characters for all known languages and EMOJIS
Sample rate The number of samples taken per second in audio recording.
Sound sampling Converting analog audio into digital through measuring the height of the sound wave at regular intervals.
Bit depth The number of bits used to represent each sample in digital audio
Digital When data has been converted into binary format
Created by: weirdog
Popular Computers sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards