by BlastRoom
Explore how ASCII maps characters to numeric codes so computers can store and exchange text.
#computer_science

25 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
Using the ASCII table extract, what is the decimal code for the character F?

Using the ASCII table extract, what is the decimal code for the character e?

Using the ASCII table extract, which decimal code represents the digit character 5?

Using the ASCII table extract, what is the decimal code for the exclamation mark character?

The title gives a message as ASCII codes. Using the table extract, what word do the codes spell in order?

The title gives a message as ASCII codes. Using the table extract, what word do the codes spell in order?

The title gives a message as ASCII codes. Using the table extract, what word do the codes spell in order?

The title gives a message as ASCII codes. Using the table extract, what word do the codes spell in order?

A computer's memory stores numbers. What does a shared character encoding such as ASCII provide?
Two computers use the same character encoding when sending a text message. What does this allow the receiving computer to do?
Why might a text file display strange symbols when opened with the wrong character encoding?
A database stores a person's initials as numeric character codes. Why can another program correctly display those initials if it uses the same encoding?
In ASCII, capital A is 65 and capitals continue in alphabetical order. What is the decimal code for F?
In ASCII, capital A is 65 and capitals continue in alphabetical order. What is the decimal code for M?
In ASCII, capital A is 65 and capitals continue in alphabetical order. What is the decimal code for Z?
In ASCII, lower-case a is 97 and lower-case letters continue in alphabetical order. What is the decimal code for d?
In ASCII, capital A is 65, lower-case a is 97, and lower-case letters continue in alphabetical order. What is the decimal code for lower-case c?
In ASCII, capital A is 65 and lower-case a is 97; each letter range is alphabetical. What is the decimal code for lower-case t?
In ASCII, lower-case a is 97 and lower-case letters continue in alphabetical order. What is the decimal code for lower-case r?
In ASCII, lower-case h is 104, and the capital and lower-case versions of a letter are 32 codes apart. What is the decimal code for capital H?
Standard ASCII uses seven bits per character. How many bits are needed to represent the two-character text HI in standard ASCII?
ASCII is a seven-bit code, and a particular system stores each character in one whole byte. How much storage does the six-character word PLANET use on that system?
Standard ASCII uses seven bits per character. How many bits are needed to represent the 12-character text HELLO WORLD!?
A user types the digit character 3. In ASCII, digit characters begin with 0 at decimal code 48 and continue in order. What code represents the typed character?
A spreadsheet stores the typed digit character 9 as ASCII. The digit characters begin with 0 at decimal code 48 and continue in order. Which number is stored for that character?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.

Pick a tile, answer, hit bonuses and steals.
Sound, Sampling and Compression
25 questions