FIRST PUBLISH OCTOBER 2024
Computer Science Principles Exam Study
Guide Solutions
bit (nibble, byte, kilobyte, megabyte, gigabyte, terabyte) - ANSWER✔✔-binary digit
Ceasar Cipher - ANSWER✔✔-simplest form of encryption; each character on the original message is
replaced with another character some number of positions down the alphabet
CPU - ANSWER✔✔-central processing unit; the brain of the computer
cryptography - ANSWER✔✔-the art of writing or solving codes
deciphering (decoding) - ANSWER✔✔-convert a text in written code into normal language
DNS - ANSWER✔✔-domain name servers; takes your address, converts it to an appropriate IP address,
and finds the computer
enciphering (encoding) - ANSWER✔✔-convert a message into coded form
ftp - ANSWER✔✔-file transfer protocol: used to transfer files from websites to your computer
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