Exam 2 Review Exam Structure Standard bubble form
Exam 2 Review
Exam Structure • Standard bubble form – Bring a #2 pencil! – True/False, Multiple Choice • Study Hints – Read text – Do review questions – Review all notes – Review all labs
Debugging • Common errors • Debugging procedure – Reproduce, pinpoint, eliminate obvious, isolate • Errors in HTML, CSS • Software failure
Digitizing • Discrete vs. continuous • Pand. A – Binary and bits • Number systems – Binary – Hex – Decimal
Digitizing (Cont’d) • Text – ASCII – Unicode • Metadata
Digitizing Multimedia • Images – Pixels/subpixels – Color (RGB) – Compression (JPEG) • Sound – Intensity – Frequency – Sampling rate and Nyquist rule – Compression (MP-3)
Digitizing Multimedia (Cont’d) • Video – Sequence of images – Compression (MPEG) • OCR • VR
Digitizing Multimedia (Cont’d) • Latency • Bandwidth • Bias-Free Universal Medium Principle
Computer Operation • Computer – CPU • Control Unit • ALU – Memory – Input – Output
Computer Operation (Cont’d) • Memory – Addresses – Bytes – Words – RAM
Computer Operation (Cont’d) • Peripherals – Drivers – Video card/GPU, … – Hard disk • Capacity • Speed
Computer Operation (Cont’d) • Fetch/Execute cycle – Fetch and PC – Decode – Data Fetch – Execute – Write Result
Computer Operation (Cont’d) • CPU instructions – MIPS, FLOPS – Clocks and Hz – Pipelining
Computer Operation (Cont’d) • Languages and translation – Binary object files – Assembly – High-level languages
Computer Operation (Cont’d) • Operating Systems (OS’s) – Resource manager – Windows, Mac OS X, Linux, Android, i. OS – Software stack • IC’s – Photolithography – Transistors – Moore’s Law
- Slides: 15