Understanding Operating Systems

What is an Operating System?

• The brain of a computer

• A type of hardware

• A programming language

• A software application

What are the two main types of Human-Computer Interface (HCI)?

• Command Line Interface (CLI) and Graphical User Interface (GUI)

• Touch Screen Interface and Voice Interface

• Web Interface and Mobile Interface

• Text-Based Interface and Visual Interface

What does Memory Management in an OS do?

• Allocates memory to running programs

• Controls input and output devices

• Manages user accounts

• Provides system security

What is the role of File Management in an OS?

• Helps organize files and folders

• Allocates memory to programs

• Controls multitasking

• Manages security

What is the interesting fact about the first operating system?

• It was created in the 1950s

• It was called GM-NAA I/O

• It was used to control a machine tool

• All of the above

What is the difference between CLI and GUI?

Explain how memory management and multitasking work.

• Memory Management:

• • The OS allocates memory to running programs and prevents them from interfering with each other.

• • The OS allocates Binary digits to running programs and prevents them from interfering with each other.

• • The OS allocates electrical current to running programs and prevents them from interfering with each other.

• • The OS allocates cashflow to running programs and prevents them from interfering with each other.

• ............................... It allows you to run multiple programs at the same time.

• • Multitasking:

• • Binary:

• • Hard disk:

• • Malware:

• ................... It protects your computer from unauthorized access and viruses.

• • Security:

• • Cache:

• • Ram:

• • CPU: