Coursera - The HardwareSoftware Interface (University of Washington) .

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Coursera - The Hardware/Software Interface (University of Washington)
WEBRip | English | MP4 | 960 x 540 | AVC ~104 kbps | 30 fps
AAC | 123 Kbps | 44.1 KHz | 2 channels | ~19 hours | 1.22 GB
Genre: eLearning Video / Computer Science, Engineering and Technology
Examines key computational abstraction levels below modern high-level languages. From Java/C to assembly programming, to basic processor and system organization. This course examines key computational abstraction levels below modern high-level languages; number representation, assembly language, introduction to C, memory management, the operating-system process model, high-level machine architecture including the memory hierarchy, and how high-level languages are implemented.

We will develop students' sense of "what really happens" when software runs - and that this question can be answered at several levels of abstraction, including the hardware architecture level, the assembly level, the C programming level and the Java programming level. The core around which the course is built is C, assembly, and low-level data representation, but this is connected to higher levels (roughly how basic Java could be implemented), lower levels (the general structure of a processor and the memory hierarchy), and the role of the operating system (but not how the operating system is implemented).

This course should develop students' sense of "what really happens" when software runs - and convey that this question can be answered at several levels of abstraction, including the hardware architecture level, the assembly level, the C programming level and the Java programming level. The core around which the course is built is C, assembly, and low-level data representation, but this is connected to higher levels (roughly how basic Java could be implemented), lower levels (the general structure of a processor), and the role of the operating system (but not how the operating system is implemented). For (computer science) students wanting to specialize at higher levels of abstraction, this could in the extreme be the only course they take that considers the "C level" and below. However, most will take a subset of Systems Programming, Hardware Design and Implementation, Operating Systems, Compilers, etc. For students interested in hardware, embedded systems, computer engineering, computer architecture, etc., this course is the introductory course after which other courses will delve both deeper (into specific topics) and lower (into hardware implementation, circuit design, etc.). The course has three principal themes:

Representation: how different data types (from simple integers to arrays of data structures) are represented in memory, how instructions are encoded, and how memory addresses (pointers) are generated and used to create complex structures.
Translation: how high-level languages are translated into the basic instructions embodied in process hardware with a particular focus on C and Java.
Control flow: how computers organize the order of their computations, keep track of where they are in large programs, and provide the illusion of multiple processes executing in parallel.
At the end of this course, students should:
understand the multi-step process by which a high-level program becomes a stream of instructions executed by a processor;
know what a pointer is and how to use it in manipulating complex data structures;
be facile enough with assembly programming (X86) to write simple pieces of code and understand how it maps to high-level languages (and vice-versa);
understand the basic organization and parameters of memory hierarchy and its importance for system performance;
be able to explain the role of an operating system;
know how Java fundamentally differs from C;
grasp what parallelism is and why it is important at the system level; and
be more effective programmers (more efficient at finding bugs, improved intuition about system performance).

Topics:
Number representation
Assembly language
Basics of C
Memory management
Operating-system process model
High-level machine architecture
Memory hierarchy
Implementation of high-level languages

General
Complete name : The HardwareSoftware Interface 4.2 Memory Addressing Modes (1422).mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom (isom/iso2/avc1/mp41)
File size : 24.2 MiB
Duration : 14 min 22 s
Overall bit rate mode : Variable
Overall bit rate : 235 kb/s
Encoded date : UTC 1970-01-01 00:00:00
Tagged date : UTC 1970-01-01 00:00:00
Writing application : Lavf53.29.100

Video
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Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
Format settings : CABAC / 4 Ref Frames
Format settings, CABAC : Yes
Format settings, RefFrames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 14 min 22 s
Bit rate : 104 kb/s
Width : 960 pixels
Height : 540 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 30.000 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.007
Stream size : 10.7 MiB (44%)
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Encoded date : UTC 1970-01-01 00:00:00
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Audio
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Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : mp4a-40-2
Duration : 14 min 22 s
Bit rate mode : Variable
Bit rate : 123 kb/s
Maximum bit rate : 128 kb/s
Channel(s) : 2 channels
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Sampling rate : 44.1 kHz
Frame rate : 43.066 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 12.7 MiB (52%)
Default : Yes
Alternate group : 1
Encoded date : UTC 1970-01-01 00:00:00
Tagged date : UTC 1970-01-01 00:00:00

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