Windows 7 BasicsWindows 7 BasicsBy Jane Maringer-CantuBy Jane Maringer-Cantu

CSIS 572CSIS 572

Jane Maringer-Cantu

What is a Computer?What is a Computer? A computer is composed of 2 main parts.A computer is composed of 2 main parts.

HardwareHardware Sometimes called peripheral device. Sometimes called peripheral device.

SoftwareSoftware Refers to the Refers to the programsprograms, or , or applicationsapplications, ,

that a computer uses to perform tasks.that a computer uses to perform tasks. Instructions that tell your computer Instructions that tell your computer

what to do.what to do.

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Parts of a ComputerParts of a Computer

System Unit

Monitor

Mouse

Printer

CD-ROM / DVD-ROM

CD/DVD DriveKeyboard

Flash Drive

Components of a System UnitComponents of a System Unit CPU – Central Processing Unit or CPU – Central Processing Unit or

MicroprocessorMicroprocessor Acts as the Acts as the ““brainbrain”” of your computer of your computer

RAM – Random Access MemoryRAM – Random Access Memory Temporarily stores information when the Temporarily stores information when the

computer is oncomputer is on Stored information is erased when the Stored information is erased when the

computer is turned offcomputer is turned off

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Jane Maringer-Cantu

Hard Drive vs. MemoryHard Drive vs. Memory

Your Your hard drive hard drive can be considered can be considered a large bookshelf. Just as you store a large bookshelf. Just as you store books and papers on that shelf, you books and papers on that shelf, you store applications on the hard drive.store applications on the hard drive. (The larger the bookshelf you have, (The larger the bookshelf you have,

the more items you can fit onto it.)the more items you can fit onto it.)

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Hard Drive vs. MemoryHard Drive vs. Memory

We can think of We can think of random access random access memory (RAM)memory (RAM) as the surface of as the surface of a desk. This is where you actively a desk. This is where you actively work with items from the work with items from the bookshelf. bookshelf. (The bigger your desk, the more (The bigger your desk, the more

books you can open at one time.)books you can open at one time.)

StorageStorage

Your computer has Your computer has disk drives disk drives or or devices that store information even devices that store information even when your computer is turned off.when your computer is turned off. Hard disk drive (c:) – the hard drive is Hard disk drive (c:) – the hard drive is

inside the system unit & serves as your inside the system unit & serves as your computercomputer’’s primary means of storages primary means of storage

CD / DVD drives – use devices such as CD / DVD drives – use devices such as CD & DVDsCD & DVDs

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Storage Storage (continued)(continued) CD DrivesCD Drives

CD drives – use lasers to read (retrieve) CD drives – use lasers to read (retrieve) data from a CDdata from a CD

Many CD drives can also write (record) Many CD drives can also write (record) data onto CDsdata onto CDs

Recordable Disk Drives – you can store Recordable Disk Drives – you can store (burn) copies of your files on blank CDs or (burn) copies of your files on blank CDs or play music CDs play music CDs

CD-R (compact disc – recordable)CD-R (compact disc – recordable) CD-RW (compact disc – writable) CD-RW (compact disc – writable)

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Storage Storage (continued)(continued) DVD DrivesDVD Drives

DVD drives – can do everything that CD DVD drives – can do everything that CD drives can do, plus read DVDsdrives can do, plus read DVDs You can watch movies on your computer You can watch movies on your computer You can record data onto blank DVDsYou can record data onto blank DVDs

DVD-R; DVD+R (recordable) write-DVD-R; DVD+R (recordable) write-once formatonce format

DVD-RW; DVD+RW (rewritable DVD-RW; DVD+RW (rewritable formats) formats)

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Storage Storage (continued)(continued)

Removable Storage DevicesRemovable Storage Devices Portable devices on which you can Portable devices on which you can

store filesstore files USB flash driveUSB flash drive Flash memory cardFlash memory card External hard driveExternal hard drive

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Jane Maringer-Cantu

BytesBytes BytesBytes are used to measure the amount of are used to measure the amount of

information a device can store.information a device can store. One One bytebyte is one is one charactercharacter. . A A charactercharacter can be a number, letter or can be a number, letter or

symbol.symbol. One One bytebyte consists of 8 consists of 8 bitsbits (binary digits). (binary digits). A A bitbit is the smallest unit of information a is the smallest unit of information a

computer can process.computer can process.

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Bytes (continued)Bytes (continued)

Kilobyte (K)=1,024 characters. This is Kilobyte (K)=1,024 characters. This is approximately equal to one page of approximately equal to one page of double-spaced text.double-spaced text.

Megabyte (MB)=1,048,576 characters. Megabyte (MB)=1,048,576 characters. This is approximately equal to one This is approximately equal to one novel.novel.

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Bytes (continued)Bytes (continued) Gigabyte (GB)=1,073,741,824 Gigabyte (GB)=1,073,741,824

characters. This is approximately equal characters. This is approximately equal to 1000 novels.to 1000 novels.

Terabyte (TB)=Terabyte (TB)=1,099,511,627,776 1,099,511,627,776 characters. This is approximately equal to characters. This is approximately equal to 1,000,000 novels.1,000,000 novels.

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Bytes (continued)Bytes (continued)

1 Bit = Binary Digit8 Bits = 1 Byte

1024 Bytes = 1 Kilobyte

1024 Kilobytes = 1 Megabyte

1024 Megabytes = 1 Gigabyte

1024 Gigabytes = 1 Terabyte

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Can you talk to your Can you talk to your computer?computer?

There are 2 ways in which you can There are 2 ways in which you can communicate with your computer.communicate with your computer. Using the keyboardUsing the keyboard

(Typing information into the (Typing information into the computer)computer)

Using a pointing device such as a Using a pointing device such as a mousemouse(Selecting & moving items)(Selecting & moving items)

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Windows 7 Windows 7 – developed by Microsoft Corp.– developed by Microsoft Corp.

is an is an operating systemoperating system, which is , which is software that helps the computer software that helps the computer carry out operating tasks, such as:carry out operating tasks, such as: displaying information on the computer displaying information on the computer

screen, andscreen, and saving data on disks.saving data on disks.

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Windows 7Windows 7 Provides you with access to all the Provides you with access to all the

parts of your computing environment.parts of your computing environment. Hardware (keyboard & mouse)Hardware (keyboard & mouse) Documents & FilesDocuments & Files Applications or ProgramsApplications or Programs

Lets you set up & use printersLets you set up & use printers Provides you access to network Provides you access to network

serversservers

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WindowsWindows

Windows 7 environment is centered Windows 7 environment is centered around around windowswindows..

A A windowwindow is a rectangular area is a rectangular area onscreen that presents information.onscreen that presents information. You can open, close, maximize, You can open, close, maximize,

minimize, move & resize windows.minimize, move & resize windows.

Graphical User InterfaceGraphical User Interface(GUI or GOO-ee)(GUI or GOO-ee)

GUI uses graphics such as an image GUI uses graphics such as an image of a file folder or wastebasket that of a file folder or wastebasket that you click or double-click to activate you click or double-click to activate the item represented.the item represented. DesktopDesktop PointerPointer IconsIcons

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Jane Maringer-Cantu

ICONSICONS

Windows 7 uses small graphical Windows 7 uses small graphical iconsicons, , or or picturespictures, to represent objects., to represent objects.

Most icons also have text labels.Most icons also have text labels.

Windows ExplorerWindows Explorer

Is a program within Is a program within Windows 7Windows 7 that displays that displays the contents of libraries, folders and files on the contents of libraries, folders and files on your computeryour computer

Windows Explorer Windows Explorer helps you copy, move and helps you copy, move and rename your files and foldersrename your files and folders

Windows Explorer Windows Explorer is at work any time you are is at work any time you are viewing the contents of a library, a folder, or a viewing the contents of a library, a folder, or a filefile

Jane Maringer-Cantu

Jane Maringer-Cantu

Using a MouseUsing a Mouse 4 Basic Actions4 Basic Actions

Pointing-Pointing-Using the mouse as an extension of your Using the mouse as an extension of your hand.hand.

Clicking- Clicking- Pressing and releasing the mouse button Pressing and releasing the mouse button one time.one time.

Double-clicking-Double-clicking-pressing and releasing the pressing and releasing the mouse button two times quickly.mouse button two times quickly.

Dragging-Dragging-pressing and holding the left mouse pressing and holding the left mouse button over the object, move the mouse to desired place button over the object, move the mouse to desired place and release.and release.

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Selecting ObjectsSelecting Objects

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Choosing an ObjectChoosing an Object You You choosechoose an object by an object by double-clickingdouble-clicking

its icon its icon

move the mouse cursor onto the icon and move the mouse cursor onto the icon and press the left mouse button rapidly twice.press the left mouse button rapidly twice.

If the object is a menu selection or command If the object is a menu selection or command button, you choose it with a button, you choose it with a single click.single click.

For example, the command button cancel.For example, the command button cancel.

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Moving an ObjectMoving an Object

To To drag and dropdrag and drop an object onto another an object onto another object, move the mouse cursor onto the icon object, move the mouse cursor onto the icon of the object to be dragged. of the object to be dragged. Press and hold the left mouse button while Press and hold the left mouse button while

you move the mouse cursor to the you move the mouse cursor to the destination objectdestination object’’s icon. s icon.

Then release the mouse button.Then release the mouse button.

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Context Menu or Shortcut MenuContext Menu or Shortcut Menu If you move the mouse over an object on If you move the mouse over an object on

the desktop or in a window and click the the desktop or in a window and click the right mouse buttonright mouse button, Windows 7 displays a , Windows 7 displays a menu called a menu called a context menucontext menu, or , or right-click right-click menumenu, with the object, with the object’’s common s common commands.commands.

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Any Questions?Any Questions?