Computer Science Principles Questions
& Answers
bit (nibble, byte, kilobyte, megabyte, gigabyte, terabyte) - ANSWERSbinary digit
Ceasar Cipher - ANSWERSsimplest form of encryption; each character on the original
message is replaced with another character some number of positions down the
alphabet
CPU - ANSWERScentral processing unit; the brain of the computer
cryptography - ANSWERSthe art of writing or solving codes
deciphering (decoding) - ANSWERSconvert a text in written code into normal language
DNS - ANSWERSdomain name servers; takes your address, converts it to an
appropriate IP address, and finds the computer
enciphering (encoding) - ANSWERSconvert a message into coded form
ftp - ANSWERSfile transfer protocol: used to transfer files from websites to your
computer
gates (and/or/not) - ANSWERSan electric circuit with an output that depends on the
combination of several inputs.
hardware used on the internet - ANSWERScables, your computer, routers, servers,
cellphone towers, radio, satellites, smartphones
http - ANSWERShypertext transfer protocol: used to view websites through a browser
IP address - ANSWERShow one machine can find another through a massive network ;
based on 32 bit address system
logic circuits - ANSWERScircuit for performing logical operations on input signals
MAC address - ANSWERSunique identifier assigned to network interfaces for
communications on the physical network segment
motherboard - ANSWERSa printed circuit board containing the principal components of
a computer or other device, with connectors into which other circuit boards can be
slotted
& Answers
bit (nibble, byte, kilobyte, megabyte, gigabyte, terabyte) - ANSWERSbinary digit
Ceasar Cipher - ANSWERSsimplest form of encryption; each character on the original
message is replaced with another character some number of positions down the
alphabet
CPU - ANSWERScentral processing unit; the brain of the computer
cryptography - ANSWERSthe art of writing or solving codes
deciphering (decoding) - ANSWERSconvert a text in written code into normal language
DNS - ANSWERSdomain name servers; takes your address, converts it to an
appropriate IP address, and finds the computer
enciphering (encoding) - ANSWERSconvert a message into coded form
ftp - ANSWERSfile transfer protocol: used to transfer files from websites to your
computer
gates (and/or/not) - ANSWERSan electric circuit with an output that depends on the
combination of several inputs.
hardware used on the internet - ANSWERScables, your computer, routers, servers,
cellphone towers, radio, satellites, smartphones
http - ANSWERShypertext transfer protocol: used to view websites through a browser
IP address - ANSWERShow one machine can find another through a massive network ;
based on 32 bit address system
logic circuits - ANSWERScircuit for performing logical operations on input signals
MAC address - ANSWERSunique identifier assigned to network interfaces for
communications on the physical network segment
motherboard - ANSWERSa printed circuit board containing the principal components of
a computer or other device, with connectors into which other circuit boards can be
slotted
