computer
what is
Isi roda ini (75 pilihan)
- ⮚is an electronic device, operating under the control of instructions stored in its own memory.
- A computer contains many electric, electronic, and mechanical components known as
- is the main circuit board of the system unit
- contains integrated circuits.
- The inside of the system unit on a desktop personal computer includes:
- ●contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information
- WHY COMPUTERS ARE POWERFUL
- When data, instruction, and information flow along electronic circuits in a computer, they travel at incredibly fast speed.
- The electronic components in modern computers are dependable and reliable because they rarely break or fail.
- Most computer today can communicate with other computers, often wirelessly.
- A computer can transfer data quickly from storage to memory, process it, and store it again for future use.
- Prolonged or improper use of computer can lead to injuries or disorders of the hands, wrists, elbows, eyes, neck, and back.
- In many instances, where personal and confidential records were not protected properly, individuals have found their privacy violated and identities stolen.
- People use the computer for negative activities.
- Different tasks are performed automatically by using computers. It reduces the need of people and increase unemployment in society.
- is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media.
- is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals.
- - also called a program, tells the computer what tasks to perform and how to perform them.
- ●is a type of computer program that is designed to run a computer’s hardware and application programs. Example is the operating system (OS) and basic input/output system (BIOS).
- also called a program, tells the computer what tasks to perform and how to perform them.
- ●Unlike system software, an application program or app performs a particular function for the user. Examples include browsers, word processors and spreadsheets.
- is the process of setting up software to work with the computer, printer, and other hardware.
- develops software or writes the instructions that direct the computer to process data into information.
- Categories of Computers
- can perform all of its input, processing, output, and storage activities by itself
- is a mobile computing device designed for single-player or multiplayer video games.
- Computer that is smaller, less expensive, and less powerful than a mainframe or supercomputer, but more expensive and more powerful than a personal computer
- ●Computer that is smaller, less expensive, and less powerful than a mainframe or supercomputer, but more expensive and more powerful than a personal computer.
- ●are a type of powerful computer that can handle hundreds or thousands of connected users simultaneously and generally known for their large size, amount of storage, processing power and high level of reliability. They are primarily used by large organizations for mission critical applications requiring high volumes of data processing.
- ●is the fastest, most powerful computer. Traditionally, supercomputers have been used for scientific and engineering applications that must handle very large databases or do a great amount of computation (or both).
- oare capable of processing more than one quadrillion instructions in a single second.
- is a microprocessor-based system, specially designed to perform a specific function and belong to a larger system.
- Elements of an Information System
- Computer Application in Society
- consists of a worldwide collection of electronic documents (Web pages)
- the most commonly used language to write Web Pages
- is a business that provides individuals and organizations access to the Internet free or for a fee.
- are large access providers that sell connections on the Internet. The access provider then resells portions of the purchased connections to the general public.
- • is a number that uniquely identifies each computer or device connected to the Internet
- •is the text version of an IP address
- • is a collection of related Web pages and associated items
- invented the World Wide Web
- onsists of a worldwide collection of electronic documents (Web pages).
- allows users to access Web pages and Web 2.0 programs.
- •is the first page that a Web site displays
- is the process of receiving information
- o is helpful in locating items such as: ▪Images, ▪Videos, ▪Audio, ▪News, ▪People or Businesses, ▪Maps, and ▪Blogs.
- There are thirteen types of Web sites:
- is a digital representation of non-text information. Graphic formats include BMP, GIF, JPEG, PNG, and TIFF. A thumbnail is a small version of a larger graphic.
- •is the appearance of motion created by displaying a series of still images in sequence.
- •includes music, speech, or any other sound, You listen to audio on your computer using a player
- • is the process of transferring data in a continuous and even flow
- •consists of full-motion images that are played back at various speeds
- is the use of computers to simulate a real or imagined environment that appears as a three-dimensional space.
- is a program that extends the capability of a Web browser
- is the development and maintenance of Web
- is the transmission of messages and files via a computer network
- •allows you to create, send, receive, forward, store, print, and delete e-mail messages.
- •is a group of e-mail names and addresses given a single name
- –adds your e-mail name and address