Data, File
Data, File
3.1 Data and Information

Information (Data) refers to the fact that in various ways, such as
numbers, text, images, sound, animation, etc. Information (Information) refers to information that has been processed by the right way. System has the following features:
3.1.1 Hardware (Hardware) refers to a computer and the peripherals. Including communications equipment to connect the computer to the network as well.
3.1.2 software (Software) represents the sequence of commands that instruct the hardware works.
3.1.3 personnel or PeopleSoft software (Peopleware) refers to computer users, administrators, systems analysts. Or programmers
3.1.4 The information must be accurate and complete to the store.
3.1.5 Procedures and City mayor or profiles (Procedure) is the practice of using information systems. To make the system more efficient and secure.
peopleware (personnel) are the backbone of information systems.
3.2 Storage
The storage of the computer and hard disk floppy disk, CD-ROM Ultrahigh drive etc. It stores data in binary form a file or files (File) might be to create the directory or directory tree (. Directory) or folder (Folder) into the storage unit to store files into categories or. Elements of the file are as follows:
3.2.1 File (File Name) may be any letter, number or symbol. Symbols are not allowed to set the file name is / (forward slash), \ (back slash), "(quote mark),: (colon), | (pipe), [] (square blacket), * (asterisk). ,? (question mark), + (plus sign), = (equal sign),; (semicolon), <(lesser than),> (greater than), and, (comma) filename characters or lower. little to no difference in the operating system Windows.
3.2.2 Type of file (File Type) to clarify that. The file type or
Any application can be run The file is a file extension (File Extention) in the name. By the file name extensions are spot or dot (dot) separated them (usually hidden from us), the file extension will have 3 characters such as file type, the extension dock. com (.com) and dot E x E (.exe), type the text file with extension to the dock, Dock (.doc) and dot display text (.txt) files while. Pictures are extensions Dot Gift (.gif), Dot JPEG (.jpg), Dot Picton (.pic), or Dot Tiffany (.tif) and so on.
3.2.3 Size of the file (File Size) file or folder will have a capacity as a byte (Byte), a.
Memory smallest man can recognize KB (Kilobyte: KB), which is equal to 210 (1,024 bytes), megabytes (Megabyte: MB) is equal to 220 (1,048,576 bytes) GB (Giagabyte: GB) available. equal to 230 or 1,073,741,824 bytes respectively.
ไม่มีความคิดเห็น:
แสดงความคิดเห็น