Computer DC Ch 1
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- Comp DC Ch1-What is a Ultra mobile pc (umpc)
- A UMPC or also called a PDA (personal digital assistant) is a smaller computer that can be handheld yet has much the same capabilties as other portable computers.
- Comp DC Ch1-What is a supercomputer?
- A super computer is the fastest, most powerful, and expensive of computers. They are capable of processing more than 135 trillion instructions in a single second.
- Comp DC Ch1-What is a smart phone?
- A smart phone is an internet enabled phone that usually also provides PDA capabilities. They are commonly being referred to as handhelds.
- Comp DC Ch1-What is a stylus?
- The primary input device of a PDA (personal digital assistant)
- Comp DC Ch1-Internet-enabled means?
- Can connect to the internet wirelessly.
- Comp DC Ch1-What is a server?
- A server controls acces to the hardware, software, and other resources on a network and provides a centralized storage area for programs, data, and information.
- Comp DC Ch1-What is a power user?
- A power user is another category of end users who require the capabilities of a powerful desktop computer, called a workstation, such as engineers, scientists, architects, desktop pulishers, and graphic artists.
- Comp DC Ch1-What is computer literacy?
- It is also known as digital literacy, and involves havng a current knowledge and understanding of technology changes.
- Comp DC Ch1-What is storage media?
- A computer keeps data, instructions, and information on storage media. Examples of storage media are USB flash drives, hard didsks, CDs, DVD's, and memory cards.
- Comp DC Ch1-What are the advantages and disadvantages of using computers?
- Advantages: Speed, reliability, consistency, storage, communications Disadvantages:violation of privacy, public safety, impact on labor force, health risks, impact on invironment
- Comp DC Ch1-What is the information processing cycle?
- The series of input, process, output, and storage activities is the information processing cycle.
- Comp DC Ch1-When a computer "executes" a program, it is.....?
- "carrying out" the instructions in the program so that you can use the program.
- Comp DC Ch1-What is information?
- Information converys meaning and is useful to people.
- Comp DC Ch1-What is a programmer?
- Sometimes called a developer, a programmer is someone who develops software or writes the instructions that direct the computer to process data into information.
- Comp DC Ch1-What is a user?
- A user is anyone who communicates with a computer or utilizes the information it generates.
- Comp DC Ch1-What is computer-aided manufacturing? (CAM)
- Computer aided manufacturing refers to the use of computers to assist with manufacturing processes such as fabrication and assembly.
- Comp DC Ch1-What is a personal computer?
- A personal computer is a computer that ca perform all of its input, processing, output, and storage activities by itself.
- Comp DC Ch1-What is a game console?
- A game console is a mobile computing device designed for single-layer or multiplayer video games.
- Comp DC Ch1-What is hardware?
- A computer contains many electric, electronic, and mechanical components known as hardware.
- Comp DC Ch1-What is system software?
- System software consits of the programs that control or maintain the operations of the computer and its devices.
- Comp DC Ch1-What is software?
- Software, also called program, is a series of instructions that tells the computer what to do and how to do it.
- Comp DC Ch1-What is the system unit?
- The system unit is a case that contains electronic components of the computer that are used to process data.
- Comp DC Ch1-What is memory?
- Memory consists of electronic components that store instructions waiting to be executed and data needed by those instructions.
- Comp DC Ch1-What is a tablet PC?
- A tablet PC is a special type of notebook computer that allows you to write or draw on the screen using a digital pen.
- Comp DC Ch1-What is telecommuting?
- Telecommuting is a work arrangement in which employees work away from a company's standard workplace and often communicate whith the office through the computer.
- Comp DC Ch1-What is a desktop computer?
- A desktop computer is designed so that the system unit, input devices, output devices, and any other devices fit entirely on or under a desk or table.
- Comp DC Ch1-What is the processor (central processing unit cpu)?
- The processor is the electronic component that interprets and carries out the basic instructions that operate the computer.
- Comp DC Ch1-What is the internet?
- The internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals.
- Comp DC Ch1-What is a mainframe?
- A mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously.
- Comp DC Ch1-What is an embeded computer?
- An embedded computer is a special-pupose computer that functions as a component in a larger product.
- Comp DC Ch1-What happens when you instruct your computer to run a program?
- When you instruct the computer to run an insalled program, the computer loadsit, which means the program is copied from storage to memory.
- Comp DC Ch1-What is a SOHO?
- A SOHO is a smal office/home office end user and includes any company with fewer than 50 employees, as well as the self-employed who work from home.
- Comp DC Ch1-What is an output device?
- An output divice is any hardware component that conveys information to one or more people. Four commonly used output devices are a printer, a monitor, speakers, and a portable media player.
- Comp DC Ch1-What is a communications device?
- A communications device is a hardware component that enables a computer to send (transmit) and receive data, instructions, and information to and from one or more computers.
- Comp DC Ch1-What is meant by "online"?
- It means someone is connected to a network.
- Comp DC Ch1-What is enterprise computing?
- Many large companies use the words, enterprise computing, to refer to the huge network of computers that meets their diverse computing needs.
- Comp DC Ch1-What is telesurgery?
- With telesurgery, a surgeon performs an operation on a patient who is not located in the same physical room as the surgeon.
- Comp DC Ch1-What is data?
- Data is a collection of unprocessed items, which can include text, numbers, images, audio, and video.
- Comp DC Ch1-What is a notebook (laptop) computer?
- A laptop is a portable (mobile computer) personal computer designed to fit on your lap
- Comp DC Ch1-What is a graphical user inerface?
- With a graphical user interface (GUI "gooey") you interact with the software using text, graphics, and visual images such as icons.
- Comp DC Ch1-What is a utility program?
- A utility program allows a user to perform maintenance-type tasks usually related to managing a computer, its devices, or its programs.
- Comp DC Ch1-What is the process of installing?
- Installing is the process of setting up software to work with the computer, printer, and other hardware components.
- Comp DC Ch1-What is an operating system?
- An operating system is a set of programs that coordinates all the activities among computer hardware devices.
- Comp DC Ch1-What is a storage device?
- A storage device records (writes) and/or retrieves (reads) items to and from storage media.
- Comp DC Ch1-What is a computer?
- A computer is an electronic device, operating under the control of instructions stored in its own memory, that can accept data, process the data according to specified rules, produce results, and store the results for future use.
- Comp DC Ch1-What is application software?
- Application software consists of programs designed to make users more productive and/or assist them with personal tasks.
- Comp DC Ch1-What is a network?
- A network is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media.