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Let’s see the steps of installing Ubuntu alongside Windows 10.

Optional: Windows recovery or bootable disk (if you encounter any major boot issues, it could be fixed).

Optional: External USB disk for making back up of your existing data.

You can do this on any system, not necessarily on the system you are dual booting.

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Internet connection (for downloading Ubuntu ISO image and live USB creating tool).

A USB key (pen drive or USB drive) of at least 4 GB in size and no data on it.

A computer that comes preinstalled with Windows 10.

You’ll need the following things to easily and safely installing Linux alongside Windows: However, you’ll be a lot better following this dedicated tutorial on dual booting dual disk system. dual disk system, the process is pretty much the same. System with both SSD and HDD: If you have a system with both SSD and HDD, i.e. If you have such a system, please follow this tutorial to dual boot with Bitclocker encryption.

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If your system uses legacy BIOS with MBR partitioning system, please follow this dual boot tutorial.īitlocker encryption process is different: Newer systems with Windows 10 Pro have their disk encrypted with Bitlocker. However, there is no harm in verifying that your system uses UEFI. If you have bought your system in the last 5-6 years, chances are that you should already have a UEFI system on GPT partition. Make sure your system uses UEFI: This tutorial is only applicable for systems with UEFI boot. Please check whether your system uses GPT or MBR. Even then the battery is rechargeable is recharged every time the computer is turned on.This tutorial is suitable for systems that comes with Windows 10 pre-installed with UEFI secure boot and GPT partitioning system. The CMOS needs very little power so there is not much of strain on the computer’s battery. Therefore, there is a battery and a small RAM memory on the board which stores information in a permanent manner.

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Power is supplied to the CMOS from a small battery so its contents will not be lost after the PC is turned off. This information is permanently saved in an area known as Complementary Metal Oxide Semiconductor Random Access Memory (CMOS RAM). Copying of the content of the ROM to the RAM is known as shadowing.Ĭomplementary Metal Oxide Semiconductor RAM :Īs the BIOS will interface the hardware with the operating system, it will require configurations of the hardware components like hard disk, monitor, etc. This is because the RAM allows quicker access as compared to the ROM. However, in many cases the content of the ROM is transferred to the RAM when the system is started. This ensures that the BIOS will always be available even if the hard disk is formatted or replaced. If these tests are successful the computer boots itself and loads the operating system but if these tests are unsuccessful, the computer reports the errors through a series of beeps to draw the operator’s attention and finally an error message is displayed on the monitor.īIOS is typically placed in a chip known as Read Only Memory(ROM) that comes with the computer. However, the usual test includes testing of the RAM, keyboard and the disk drives. The actual test may differ depending on the configuration of the BIOS. POST consists of a series of diagnostic test that runs automatically when a user turns on the computer.

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Drivers for some hardware may not be available in the operating system hence these have to be explicitly installed by the user. The operating system provides hardware for printer, modem, etc. The BIOS provides drivers for basic hardware like keyboard and monitor, mouse, etc. there functioning requires interfacing with the operating system. The computer contains hardware like keyboard, monitor, disk drives, etc. These tests are collectively known as Power On Self Test(POST). The BIOS performs all the test needed at startup time. It provides a set of instructions and is responsible for booting the computer. Free space management in Operating System.Difference between Spooling and Buffering.Difference between dispatcher and scheduler.Measure the time spent in context switch?.Preemptive and Non-Preemptive Scheduling.

Process Table and Process Control Block (PCB).

States of a Process in Operating Systems.

Privileged and Non-Privileged Instructions in Operating System.

Monolithic Kernel and key differences from Microkernel.

Kernel I/O Subsystem in Operating System.Difference between Operating System and Kernel.

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Difference between Application Software and Operating System.

Difference between System Software and Application Software.

Difference between Hardware and Software.

Introduction of Basic Input Output System (BIOS).

ISRO CS Syllabus for Scientist/Engineer Exam.

ISRO CS Original Papers and Official Keys.

GATE CS Original Papers and Official Keys.