文章目录

I. Random Talk
II. The Composition of a Computer
- Step One
- - 1. Source Code
  - 2. Final Effect
- Step Two
- - 1. Source Code
  - 2. Final Effect
- Step Three
- - 1. Source Code
  - 2. Final Effect
III. Single Brace
- 1. Generate Left Brace
- - (1) Source Code
  - (2) Final Effect
- 2. Generate Right Brace
- - (1) Source Code
  - (2) Final Effect
IV. Reference Blog
V. After-Class Assignment

I. Random Talk

Look at the QQ icon in the taskbar. What’s its color? It’s gray. What does it mean? It means that my QQ is offline. Now I want to use my QQ to do something.
five operations of the mouse: point to (move), click (to select the object), double-click (to open the document or run the program), right-click (to pop up the context menu of the selected object) and drag (to move or resize the selected object)
single, double, triple, multiple
size of the dress: S - Small, M - Middle, L - Large, XL - eXtensibly Large
the five sense organs: eybrows, eyes, ears, nose, lips
Make my QQ online: Right-click on the QQ icon and a context menu will pop up.
I choose and click on the [hidden] option in the menu. You can have a look at the QQ icon, it’s not grey now and I can use it to communicate with my friends or colleagues.
Now I send the screenshot of the sign-in result to the QQ group of our class.
Let’s take a look at the picture.
Thirty-three students have signed in and six students are not here but they asked for leave.

II. The Composition of a Computer

In the markdown editor, we can use \begin{cases}...\end{cases} to generate {. In the body of the structure, \\ is used to start a new line. & is used for alignment.

Step One

1. Source Code

$Computer
\begin{cases}
Hardware &(1)\\
Software &(2)\\
\end{cases}$

2. Final Effect

Computer{Hardware(1)Software(2)Computer \begin{cases} Hardware &(1)\\ Software &(2)\\ \end{cases}Computer{HardwareSoftware(1)(2)

Step Two

1. Source Code

$Computer
\begin{cases}
Hardware \begin{cases}
Control\ Unit \\
ALU \\
Storage\ Devices\\
Input\ Devices\\
Output\ Devices\\
\end{cases}\\
Software
\begin{cases}
System\ Software\\
Application\ Software\\
\end{cases} \\
\end{cases}$

2. Final Effect

Computer{Hardware{ControlUnitALUStorageDevicesInputDevicesOutputDevicesSoftware{SystemSoftwareApplicationSoftwareComputer \begin{cases} Hardware \begin{cases} Control\ Unit \\ ALU \\ Storage\ Devices\\ Input\ Devices\\ Output\ Devices\\ \end{cases}\\ Software \begin{cases} System\ Software\\ Application\ Software\\ \end{cases} \\ \end{cases}Computer⎩⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎧Hardware⎩⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎧Control UnitALUStorage DevicesInput DevicesOutput DevicesSoftware{System SoftwareApplication Software

Step Three

1. Source Code

$Computer
\begin{cases}
Hardware
\begin{cases}
\left. \begin{matrix}
Control\ Unit \\
ALU \\
\end{matrix}\right \}CPU\\
Storage\ Devices\\
Input\ Devices\\
Output\ Devices\\
\end{cases}\\
Software
\begin{cases}
System\ Software\\
Application\ Software\\
\end{cases} \\
\end{cases}$

2. Final Effect

Computer{Hardware{ControlUnitALU}CPUStorageDevicesInputDevicesOutputDevicesSoftware{SystemSoftwareApplicationSoftwareComputer \begin{cases} Hardware \begin{cases} \left. \begin{matrix} Control\ Unit \\ ALU \\ \end{matrix}\right \}CPU\\ Storage\ Devices\\ Input\ Devices\\ Output\ Devices\\ \end{cases}\\ Software \begin{cases} System\ Software\\ Application\ Software\\ \end{cases} \\ \end{cases}Computer⎩⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎧Hardware⎩⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎧Control UnitALU}CPUStorage DevicesInput DevicesOutput DevicesSoftware{System SoftwareApplication Software

III. Single Brace

1. Generate Left Brace

(1) Source Code

$Computer=\left\{
\begin{matrix}Hardware\\Software
\end{matrix}
\right.$

(2) Final Effect

Computer={HardwareSoftwareComputer=\left\{ \begin{matrix} Hardware\\ Software \end{matrix} \right.Computer={HardwareSoftware

2. Generate Right Brace

(1) Source Code

$\left.
\begin{matrix}Hardware \\Software
\end{matrix}
\right\}=Computer$

(2) Final Effect

HardwareSoftware}=Computer\left. \begin{matrix} Hardware \\ Software \end{matrix} \right\}=ComputerHardwareSoftware}=Computer

IV. Reference Blog

You can visit my blog [利用Markdown编写美妙的数学公式] and learn how to use markdown to generate wonderful math formulas.

V. After-Class Assignment

Computer{Hardware{ControlUnitALU}CPU:CentralProcessingUnitStorageDevices{PrimaryMemory{RAM:RandomAccessMemoryROM:Read−OnlyMemorySecondaryStorage{FloppyDiskHardDiskCD−ROMU−DiskSSD:SolidStateDiskInputDevices{KeyboardMouseScannerMicrophoneWebcamOutputDevices{DisplayPrinterSpeakerPlotterSoftware{SystemSoftware{OS:OperatingSystem{WindowsLinuxMacOSSolarisDBMS:DatabaseManagementSystemLanguageProcessors{ComplierAssemblerIntepreterLinkerLoaderApplicationSoftware{OA:OfficeAutomation{MicrosoftOfficeKingsoftWPSOfficeInstantMessaging{QQWeChatFacebookTwitterCAI:Computer−AidedInstructionCAD:Computer−AidedDesignCAM:Computer−AidedManufacturingCAT:Computer−AidedTestingComputer\begin{cases} Hardware \begin{cases} \left. \begin{matrix}Control\ Unit \\ ALU \\ \end{matrix}\right \}CPU: Central\ Processing\ Unit\\ Storage\ Devices \begin{cases} Primary\ Memory \begin{cases} RAM: Random\ Access\ Memory \\ ROM: Read-Only\ Memory\\ \end{cases}\\ Secondary\ Storage \begin{cases} Floppy\ Disk \\ Hard\ Disk \\ CD-ROM\\ U-Disk\\ SSD: Solid\ State\ Disk\\ \end{cases}\\ \end{cases}\\ Input\ Devices \begin{cases} Keyboard \\ Mouse \\ Scanner\\ Microphone\\ Webcam\\ \end{cases}\\ Output\ Devices \begin{cases} Display \\ Printer\\ Speaker\\ Plotter\\ \end{cases}\\ \end{cases}\\ Software \begin{cases} System\ Software \begin{cases} OS: Operating\ System \begin{cases} Windows \\ Linux \\ MacOS\\ Solaris\\ \end{cases}\\ DBMS: Database\ Management\ System \\ Language\ Processors \begin{cases} Complier \\ Assembler \\ Intepreter\\ Linker\\ Loader\\ \end{cases}\\ \end{cases}\\ Application\ Software \begin{cases} OA: Office Automation \begin{cases} Microsoft\ Office\\ Kingsoft\ WPS\ Office\\ \end{cases} \\ Instant\ Messaging \begin{cases} QQ \\ WeChat \\ Facebook\\ Twitter\\ \end{cases}\\ CAI: Computer-Aided\ Instruction\\ CAD: Computer-Aided\ Design\\ CAM: Computer-Aided\ Manufacturing\\ CAT: Computer-Aided\ Testing\\ \end{cases}\\ \end{cases} \\ \end{cases}Computer⎩⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎧Hardware⎩⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎧Control UnitALU}CPU:Central Processing UnitStorage Devices⎩⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎧Primary Memory{RAM:Random Access MemoryROM:Read−Only MemorySecondary Storage⎩⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎧Floppy DiskHard DiskCD−ROMU−DiskSSD:Solid State DiskInput Devices⎩⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎧KeyboardMouseScannerMicrophoneWebcamOutput Devices⎩⎪⎪⎪⎨⎪⎪⎪⎧DisplayPrinterSpeakerPlotterSoftware⎩⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎧System Software⎩⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎧OS:Operating System⎩⎪⎪⎪⎨⎪⎪⎪⎧WindowsLinuxMacOSSolarisDBMS:Database Management SystemLanguage Processors⎩⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎧ComplierAssemblerIntepreterLinkerLoaderApplication Software⎩⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪⎧OA:OfficeAutomation{Microsoft OfficeKingsoft WPS OfficeInstant Messaging⎩⎪⎪⎪⎨⎪⎪⎪⎧QQWeChatFacebookTwitterCAI:Computer−Aided InstructionCAD:Computer−Aided DesignCAM:Computer−Aided ManufacturingCAT:Computer−Aided Testing

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计算机英语讲课笔记04

文章目录

I. Random Talk

II. The Composition of a Computer

Step One

1. Source Code

2. Final Effect

Step Two

1. Source Code

2. Final Effect

Step Three

1. Source Code

2. Final Effect

III. Single Brace

1. Generate Left Brace

(1) Source Code

(2) Final Effect

2. Generate Right Brace

(1) Source Code

(2) Final Effect

IV. Reference Blog

V. After-Class Assignment

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