Trace Table Challenge
Trace real 9618 assembly-language programs, marked as you go.
Binary ⇄ Denary ⇄ Hex Converter
Change one number base and watch the other two follow, with the working.
Circuit Dash
Call the output of ever-bigger logic circuits before the clock runs out.
Run the CPU
Be the control unit: fetch, decode and execute real programs, fast.
Hexa-Tac
Shoot down falling invaders by typing their code in hex.
Pixel Painter
Compress an image with run-length encoding before time runs out.
Logic Gate Deflector
Drop in the right logic gate fast enough to keep the signal flowing.
Bits on the Wire
Send a message down the cable as bits: serial, parallel, skew and crosstalk.
Parity Check: Bits & Blocks
Find and fix the flipped bit using parity blocks.
Normal Form or Not?
Judge real exam schemas against third normal form, then check the examiner's view.
Pseudocode Trace Table Challenge
Trace real 9618 pseudocode and flowcharts, one variable at a time.
Schema Architect
Design linked tables with keys, then write the DDL yourself.