Operating Systems

Printer

• Input device used for scanning documents.

• Output device used for printing work.

• Storage device for saving files.

• Network device for connecting computers.

Byte

What is a byte?

• A byte is the largest unit of data.

• A byte is the smallest unit of data. One byte equals a single data unit.

• A byte is a type of computer virus.

• A byte is a measure of computer speed.

The operating system is the program that allows you to interact with your computer.

• A type of hardware that enhances computer performance.

• An essential software that manages computer hardware and software resources.

• A programming language used for software development.

• A user interface that displays graphics on the screen.

ROM (Read Only Memory)

• ROM is a type of volatile memory that requires power to maintain data.

• ROM is read-only and permanent memory, meaning it does not need power to keep the data inside.

• ROM can be easily rewritten and modified by the user.

• ROM is primarily used for temporary data storage.

Combining '1' and '0' in sequences of eight bits

• Creates a large set of unique sequences representing different numbers and letters.

• Generates a single binary number that represents a letter.

• Produces a sequence of eight zeros only.

• Creates a visual representation of data in a graphical format.

Turning off a light bulb

• Can be considered as '1'.

• Can be considered as '0'.

• Can be considered as '2'.

• Can be considered as '3'.

Output Device Examples

• Printer

• Speakers

• Monitor

• Keyboard

iOS is the operating system for Apple iPhone and iPad. What type of operating system is iOS?

• Open-source OS developed by a community

• Proprietary OS developed by Apple

• Freeware OS available for all devices

• Linux-based OS used in various devices

Scanner

• Input device for scanning important documents to store digitally.

• Output device for printing documents.

• Storage device for saving files.

• Network device for connecting to the internet.

Bit

• Eight bits make up one byte.

• Four bits make up one byte.

• Six bits make up one byte.

• Ten bits make up one byte.