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Windows 7 Basics. By Jane Maringer-Cantu CSIS 572. What is a Computer?. A computer is composed of 2 main parts. Hardware Sometimes called peripheral device. Software Refers to the programs , or applications , that a computer uses to perform tasks.
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Windows 7 Basics By Jane Maringer-Cantu CSIS 572
What is a Computer? • A computer is composed of 2 main parts. • Hardware • Sometimes called peripheral device. • Software • Refers to the programs, or applications, that a computer uses to perform tasks. • Instructions that tell your computer what to do. Jane Maringer-Cantu
Keyboard System Unit Parts of a Computer Monitor CD/DVD Drive Mouse CD-ROM / DVD-ROM Flash Drive Printer Jane Maringer-Cantu
Components of a System Unit • CPU – Central Processing Unit or Microprocessor • Acts as the “brain” of your computer • RAM – Random Access Memory • Temporarily stores information when the computer is on • Stored information is erased when the computer is turned off Jane Maringer-Cantu
Hard Drive vs. Memory • Your hard drive can be considered a large bookshelf. Just as you store books and papers on that shelf, you store applications on the hard drive. • (The larger the bookshelf you have, the more items you can fit onto it.) Jane Maringer-Cantu
Hard Drive vs. Memory • We can think of random access memory (RAM) as the surface of a desk. This is where you actively work with items from the bookshelf. • (The bigger your desk, the more books you can open at one time.) Jane Maringer-Cantu
Storage • Your computer has disk drives or devices that store information even when your computer is turned off. • Hard disk drive (c:) – the hard drive is inside the system unit & serves as your computer’s primary means of storage • CD / DVD drives – use devices such as CD & DVDs Jane Maringer-Cantu
Storage (continued) • CD Drives • CD drives – use lasers to read (retrieve) data from a CD • Many CD drives can also write (record) data onto CDs • Recordable Disk Drives – you can store (burn) copies of your files on blank CDs or play music CDs • CD-R (compact disc – recordable) • CD-RW (compact disc – writable) Jane Maringer-Cantu
Storage (continued) • DVD Drives • DVD drives – can do everything that CD drives can do, plus read DVDs • You can watch movies on your computer • You can record data onto blank DVDs • DVD-R; DVD+R (recordable) write-once format • DVD-RW; DVD+RW (rewritable formats) Jane Maringer-Cantu
Storage (continued) • Removable Storage Devices • Portable devices on which you can store files • USB flash drive • Flash memory card • External hard drive Jane Maringer-Cantu
Bytes • Bytes are used to measure the amount of information a device can store. • One byte is one character. • A character can be a number, letter or symbol. • One byte consists of 8 bits (binary digits). • A bit is the smallest unit of information a computer can process. Jane Maringer-Cantu
Bytes (continued) • Kilobyte (K)=1,024 characters. This is approximately equal to one page of double-spaced text. • Megabyte (MB)=1,048,576 characters. This is approximately equal to one novel. Jane Maringer-Cantu
Bytes (continued) • Gigabyte (GB)=1,073,741,824 characters. This is approximately equal to 1000 novels. • Terabyte (TB)=1,099,511,627,776 characters. This is approximately equal to 1,000,000 novels. Jane Maringer-Cantu
Bytes (continued) Jane Maringer-Cantu
Can you talk to your computer? • There are 2 ways in which you can communicate with your computer. • Using the keyboard (Typing information into the computer) • Using a pointing device such as a mouse (Selecting & moving items) Jane Maringer-Cantu
Windows 7 – developed by Microsoft Corp. • is an operating system, which is software that helps the computer carry out operating tasks, such as: • displaying information on the computer screen, and • saving data on disks. Jane Maringer-Cantu
Windows 7 • Provides you with access to all the parts of your computing environment. • Hardware (keyboard & mouse) • Documents & Files • Applications or Programs • Lets you set up & use printers • Provides you access to network servers Jane Maringer-Cantu
Windows • Windows 7 environment is centered around windows. • A window is a rectangular area onscreen that presents information. • You can open, close, maximize, minimize, move & resize windows. Jane Maringer-Cantu
Graphical User Interface(GUI or GOO-ee) • GUI uses graphics such as an image of a file folder or wastebasket that you click or double-click to activate the item represented. • Desktop • Pointer • Icons Jane Maringer-Cantu
ICONS • Windows 7 uses small graphical icons, or pictures, to represent objects. • Most icons also have text labels. Jane Maringer-Cantu
Windows Explorer • Is a program within Windows 7 that displays the contents of libraries, folders and files on your computer • Windows Explorer helps you copy, move and rename your files and folders • Windows Explorer is at work any time you are viewing the contents of a library, a folder, or a file Jane Maringer-Cantu
Using a Mouse • 4 Basic Actions • Pointing-Using the mouse as an extension of your hand. • Clicking- Pressing and releasing the mouse button one time. • Double-clicking-pressing and releasing the mouse button two times quickly. • Dragging-pressing and holding the left mouse button over the object, move the mouse to desired place and release. Jane Maringer-Cantu
Selecting Objects • You can select or highlight an object. • If the object is not a menu selection, you click the object: • Move the mouse cursor onto the icon and press the left mouse button once. • A selected icon is highlighted; its label is darkened and has a dotted line. Jane Maringer-Cantu
Choosing an Object • You choose an object by double-clickingits icon • move the mouse cursor onto the icon and press the left mouse button rapidly twice. • If the object is a menu selection or command button, you choose it with a single click. • For example, the command button cancel. Jane Maringer-Cantu
Moving an Object • To drag and dropan object onto another object, move the mouse cursor onto the icon of the object to be dragged. • Press and hold the left mouse button while you move the mouse cursor to the destination object’s icon. • Then release the mouse button. Jane Maringer-Cantu
Context Menu or Shortcut Menu • If you move the mouse over an object on the desktop or in a window and click the right mouse button, Windows 7 displays a menu called a context menu, or right-click menu, with the object’s common commands. Jane Maringer-Cantu
Any Questions? Jane Maringer-Cantu