10 Questions
What is the main purpose of an operating system?
Executing user programs and facilitating solutions to user problems
Where does the operating system typically reside in most computer cases?
On the hard disk
What is the function of BIOS in the booting process of a computer?
Starting the computer by accessing BIOS
When referring to booting, what does 'cold boot' mean?
Turning on a computer after it has been powered off completely
Which of the following is NOT a main function of an operating system?
Accessing the web
In which type of device does the operating system typically reside on a ROM chip?
Mobile phone
What is the primary role of an operating system's user interface?
Providing a platform for users to interact with the system
What is the primary goal of executing user programs by an operating system?
Making solving user problems easier
What phase involves turning on a computer after it has been completely powered off?
Cold boot
What is the primary function of BIOS in the booting process of a computer?
Starting the computer by accessing BIOS
Study Notes
What is Operating System (OS)?
- An Operating System (OS) is a program that acts as an intermediary between a user and computer hardware.
- It is a set of programs that coordinates all the activities among computer hardware resources.
Operating System Goals
- Execute user programs to solve user's problems easier.
- Make the computer system convenient to use.
- Use the computer hardware in an efficient manner.
Main Functions of an Operating System
- Start up the computer.
- Administer security.
- Control network.
- Access the web.
- Monitor performance and provide housekeeping service.
- Schedule jobs and configure devices.
- Manage memory.
- Provide user interface.
Location of Operating System
- In handheld devices like PDA, Mobile phone, the OS resides on ROM chip.
- In most computer cases, the OS resides on hard disk.
Operating System Functions
- Booting: a process of starting or restarting a computer.
- Types of booting:
- Cold boot: process of turning on a computer after it has been powered off completely.
- Warm boot: process of restarting a computer that is already powered on.
Personal Computer Booting Process
- Step 1: Power supply sends signal to components in system unit.
- Step 2: The processor accesses BIOS (Basic Input/Output System) to start the computer.
- Step 3: (not specified in the text)
This quiz explains the concept of an operating system, its role as an intermediary between a user and computer hardware, and its goals of executing user programs efficiently. It also discusses how the operating system coordinates activities among computer hardware resources to make the system convenient to use.
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