Computers & Hardware

8 interactive Computer Science simulations on computers & hardware.

Fetch–Decode–Execute Cycle – Inside a Simple CPU Computer Science · Computers & Hardware A tiny CPU with PC, MAR, MDR, CIR, ACC, ALU and a control unit, connected to 16 or 32 memory cells by the address,... Ages 16–17
CPU performance – clock speed, cores, cache and system on a chip Computer Science · Computers & Hardware Set the clock speed, the number of cores and the L2 cache size, then run five kinds of task to see how long each... Ages 16–17
CPU scheduling and deadlock – FCFS, SJF, round robin and priority Computer Science · Computers & Hardware Enter processes with arrival times, burst times and priorities, choose FCFS, SJF, SRTF, round robin (set the time... Ages 16–17
Hardware, software and the path of data Computer Science · Computers & Hardware A block diagram of a computer with an input device, a CPU (control unit and arithmetic-logic unit), main memory... Ages 12–13
Operating system memory management – RAM, paging, virtual memory and OS functions Computer Science · Computers & Hardware Open and close programs and watch RAM fill up page by page. When RAM is full, the operating system moves little-used... Ages 16–17
Computer generations – tracing Moore's law Computer Science · Computers & Hardware Four computer generations sit on one 1945–2025 timeline with a representative machine for each: ENIAC, the IBM 1401,... Ages 13–14
Parallel and distributed computing – Amdahl's law, GPUs and pipelining Computer Science · Computers & Hardware Split a job into tasks with a parallel fraction p, then run it sequentially on one core, in parallel on n cores, or... Ages 16–17
Manual work or computer automation? Computer Science · Computers & Hardware A familiar task (grading papers, library loans, or store checkout) is modeled through the time each item takes, its... Ages 14–15