Computer Fundamentals Flashcards
Define a computer
A computer is an electronic device that processes data as input with a set of instructions and produces output
How does a computer process data?
By executing mathematical and logical operations based on a set of instructions from a program
What are the two main components of a computer?
Hardware which includes physical parts and software which includes programs and data
What is the role of the processor in a computer?
It executes instructions from software and hardware
What is the role of memory in a computer?
It is the primary memory for data transfer between the CPU and storage
What is the role of the motherboard in a computer?
It is the part that connects all other parts or components of a computer
What is the role of the storage device in a computer?
It permanently stores the data. An example
Is a hard drive
What is the role of the input device in a computer?
It allows you to communicate with the computer or to input data
What is the role of the output device in a computer?
It enables you to see the output. For example a monitor
What are the basic parts of a computer that are essential for its operation?
The processor, memory and motherboard
What type of calculations can a computer perform
Both numerical and non-numerical calculations
What is a microcomputer?
A small computer designed for personal use that has a microprocessor as its cpu
What are two advantages of a microcomputer?
Affordable
Easy to upgrade
What are 2 disadvantages of a micro computer
Limited power for heavy tasks
Can be affected by viruses
What is a mobile computer?
A portable electronic device that allows users to access data, perform tasks and to connect to networks from anywhere.
What are two advantages of a mobile computer?
Highly portable
Can connect anywhere with Internet
What are two disadvantages of a mobile computer?
Limited battery life
Smaller screen for detailed work
What is a mobile device?
A portable handheld device that allows quick access to Internet, emails and social media
What are two advantages of mobile device
Lightweight
Quick access to apps and Internet
What are two disadvantages of a mobile device
Limited processing power
Small storage capacity
What is a server?
A powerful computer that provides data resources or services to other computers over a network
What are two advantages of a server
Centralized data storage
Supports multiple users
What are 2 disadvantages of a server?
Expensive
Requires constant maintenance
What is a mainframe?
A large powerful computer that is used to process large volumes of data quickly and can handle thousands of users.
