Loading
by BlastRoom
A mixed review of computer hardware, digital data, and network communication.
#computer_science
50 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.
A computer is unplugged overnight. A report that was typed but never saved disappears, while saved files remain. Which component held the unsaved report?
Which internal component repeatedly carries out program instructions and calculations?
A student wants faster startup times and permanent storage for files even when the computer is off. Which component best fits that job?
A game runs slowly only when it must draw detailed 3D scenes. Which component is most likely doing the graphics work?
Which component stores firmware instructions that a computer can use when it starts up?
A technician needs the main circuit board that lets the CPU, RAM, storage, and expansion cards communicate. What component is needed?
Which internal component changes electrical power from the wall into forms the computer can use?
A keyboard sends a student's key presses to the computer. In that role, the keyboard is what type of device?
A projector displays slides from a laptop for the class. How should the projector be classified?
A USB flash drive is used to keep copies of a student's assignments. What role is it serving?
In a desktop computer, which device mainly performs processing rather than input, output, or storage?
A touchscreen shows buttons and also detects where a user taps. Which pair of roles does it have?
A microphone records a speaker's voice so an app can use it. What kind of device is the microphone in this situation?
A file is at Documents\Science\Labs\friction.docx. The Science folder is renamed Physics, with nothing else changed. What is the new path?
A file is at Documents\History\notes.txt. It is moved into Documents\History\PrimarySources. What is its new path?
What is the main job of an operating system?
A student copies report.pdf from Downloads to Documents but does not delete the original. Which statement is true afterward?
The path C:\Users\Avery\Pictures\poster.png identifies which item as the filename?
How many bits are in one byte?
A network transfers 48 bits. How many bytes is that?
Take one kilobyte to be 1,024 bytes. How many bytes are in 3 kilobytes?
Take one megabyte to be 1,024 kilobytes. A file is 2,048 kilobytes. What is its size in megabytes?
Which file size is largest?
A file is 16 bytes long. How many bits does it contain?
Convert decimal 45 to an 8-bit binary number.
What decimal value does the binary number 101101 represent?
Which 8-bit binary number represents decimal 128?
What is the decimal value of binary 11001010?
Which binary addition is correct?
Convert decimal 19 to a 5-bit binary number.
Which decimal number is represented by 11111111 in 8-bit binary?
In ASCII, capital A has code 65 and capital letters continue in alphabetical order. What code represents capital E?
A pixel uses RGB values of (255, 0, 0). What color does it display?
Which RGB value represents white?
A bitmap image is 100 pixels wide and 80 pixels high. How many pixels does it contain?
What does a higher sampling rate generally allow a digital sound recording to capture?
Which change will usually make an uncompressed digital image require more storage?
Why can Unicode represent text from many writing systems?
A message is divided into packets before it crosses the internet. Why are packet numbers useful?
During a file upload, one router fails and packets inside it are lost. What normally happens to the missing data?
Two packets from the same message leave the sender one after the other but take different routes across the internet. Why can this happen?
Why do routers examine destination information on packets?
A message is too large to fit in one packet. Which internet design feature allows it to be sent?
A user types example.org into a browser and a page loads. What was DNS responsible for?
Which item is an IP address?
What is the main purpose of a URL?
Which protocol is commonly used by a browser to request a webpage from a web server?
A site uses HTTPS rather than HTTP. What added protection does HTTPS provide?
A school connection downloads large files quickly, but an online game responds almost a second after each button press. What is the main problem?
Which measure describes how much data a network connection can carry per second?
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.
Course Review: Programming Fundamentals
50 questions
