Chapter 1 Flashcards
(26 cards)
What is computer literacy?
Computer literacy is vital to success in today’s world.
Define the term ‘computer’.
A computer is an electronic device, operating under the control of instructions stored in its own memory.
What are the five components of a computer?
- Input Device
- Output Device
- System Unit
- Storage Device
- Communications Device
What is the relationship between data and information?
Data is processed to produce information.
What is a network?
A network is a collection of computers and devices connected together, often wirelessly.
List the benefits of sharing resources on a network.
- Cost savings
- Resource sharing
- Enhanced communication
What is the Internet?
The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals.
Differentiate between system software and application software.
System software manages hardware and software resources, while application software performs specific tasks for users.
What are the types of computers?
- Personal Computers (Desktop & Notebook)
- Mobile Computers and Mobile Devices
- Game Consoles
- Servers
- Mainframes
- Supercomputers
- Embedded Computers
What is a personal computer?
A personal computer can perform input, processing, output, and storage activities by itself.
What are mobile computers?
Mobile computers are personal computers that can be carried from place to place.
What is a server?
A server controls access to the hardware, software, and other resources on a network.
What is a mainframe?
A mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously.
What is a supercomputer?
A supercomputer is the fastest, most powerful computer capable of processing more than one quadrillion instructions in a single second.
Define an embedded computer.
An embedded computer is a special-purpose computer that functions as a component in a larger product.
List some applications of computers in the medical field.
- Maintaining Record System
- Billing and Financial System
- Analysis
- Material Management
- Radiology
- Clinical Management
- Tracking Patients
What role do computers play in business?
Computers optimize the processing of information to produce goods and services for profit.
What are the advantages of using computers?
- Speed
- Reliability
- Consistency
- Storage
- Communications
What are the disadvantages of using computers?
- Health Risks
- Violation of Privacy
- Public Safety
- Impact on Labor Force
- Impact on Environment
What is green computing?
Green computing involves reducing electricity consumed and environmental waste generated when using computers and related technologies.
Fill in the blank: A computer contains many electric, electronic, and _______ components known as hardware.
mechanical
What does the term ‘application software’ refer to?
Application software refers to programs that perform specific tasks for users.
List the types of users that interact with computers.
- Home Users
- Small Office/Home Office Users
- Mobile Users
- Power Users
- Enterprise Users
What is the role of a programmer?
A programmer develops software or writes the instructions that direct the computer to process data into information.
