Exam 2 Review.

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Presentation transcript:

Exam 2 Review

Exam Structure Standard bubble form Study Hints 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 Errors in HTML, CSS Reproduce, pinpoint, eliminate obvious, isolate Errors in HTML, CSS Software failure

Digitizing Discrete vs. continuous PandA Number systems 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, iOS Software stack IC’s Photolithography Transistors Moore’s Law

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