Basic IT Skills Flashcards
What is a computer?
A computer is an electronic device that manipulates, processes input/ output store and processes data
What are input devices?
Input devices are any physical components of the computer that you can touch.
Give examples of input devices.
Examples include keyboard, mouse, and scanner.
What are output devices?
Output devices refer to any device that allows a user to display information from the computer.
Give examples of output devices.
Examples include monitors and printers.
What are storage devices?
Storage devices refer to any device that allows a user to store data or information.
Give examples of storage devices.
Examples include SSD, HDD, USB, and flash drives.
What are processing devices?
Processing devices refer to any device that allows a computer to process information.
What is the central processing unit (CPU)?
The CPU is the primary component that performs most of the processing inside a computer.
What is a motherboard?
The motherboard is the main circuit board that connects all components of the computer.
What is RAM?
RAM (Random Access Memory) is a type of computer memory that can be accessed randomly.
What are the roles of software?
Software refers to programs that enable the hardware to function.
What is an operating system?
An operating system is software that manages computer hardware and software resources.
What is the purpose of operating systems?
To manage computer hardware and software resources and provide common services for computer programs.
Fill in the blank: An _______ is a software that manages computer hardware and software resources.
[operating system]
What are examples of operating systems?
- Windows
- macOS
- Linux
True or False: Operating systems can only run on personal computers.
False
What is a multi-user operating system?
An operating system that allows multiple users to access the computer resources simultaneously.
Fill in the blank: Examples of multi-user operating systems include _______.
[Unix, Linux, Windows Server]
What is a real-time operating system?
Designed for applicants that require immediate response and low latency.
Used in time-sensitive and mission-critical systems.
True or False: A real-time operating system is designed for applications where timing is critical.
True
What are some characteristics of embedded operating systems?
- Designed for specific tasks
- Resource-constrained environments
- Often real-time
Fill in the blank: Embedded operating systems are often found in _______.
[Smart tvs, automotive systems, ATMs]
What are the benefits of using a command-line interface?
- Greater control over system operations
- More efficient for experienced users
- Scripting capabilities
What is the main purpose of Mobile operating system
To facilitate user interactions on devices like smartphones and tablets
Designed specifically for touchscreen interfaces and mobile devices.
What types of devices is Mobile operating systems
Smartphones, tablets, and other mobile devices
Includes hardware support for touchscreen interfaces.
What is the role of Network Operating System (NOS)?
To manage network resources, users, and security
What is the function of the ‘cloud’ in this context?
To provide quick internet connectivity for full functionality
Essential for remote data storage and access.
What does LAN stand for in networking?
Local area network
Refers to local area networks that connect devices in a limited geographic area.
What is the meaning of WAN in networking?
Wide area network
Refers to a Wide Area Network (WAN) connects networks over large distances using various communication technologies, enabling long-distance data exchange.
What does MAN stand for?
Metropolitan area network
Refers to metropolitan area networks that cover a larger geographic area than LANs but smaller than WANs.
What is PAN in networking?
Personal area network
Refers to personal area networks that connect personal devices within a very short range.
What does WLAN stand for?
Wireless local area network
Refers to wireless local area networks that allow devices to connect without physical cables.
What does P2P stand for in networking?
Peer-to-Peer network
Refers to a decentralized network where each participant can act as both a client and a server.
What is a VPN?
Virtual private network
Refers to virtual private networks that create secure connections over the internet.
What does CAN
Campus area network
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A Campus Area Network (CAN) connects multiple local networks within a limited geographical area, such as a university, business campus, or military base.
Fill in the blank: A computer network is a system that interconnects devices that share _______.
Data and resources using wired or wireless connections
What is the main function of a network?
To interconnect devices and share resources
Networks facilitate communication and data exchange between devices.
What is SAN
A Storage Area Network (SAN) is a high-speed network that connects storage devices to servers, allowing centralized data storage and management.
What is Peer-to-peer topology
Peer-to-peer (P2P) topology is a network model where all devices (nodes) share equal responsibilities, directly communicating and sharing resources without relying on a central server.
