How does computer know to restart?
tl;dr: power states in your computer are controlled by an implementation of ACPI (advanced configuration and power interface). At the end of a shutdown process, your operating system sets an ACPI command indicating that the computer should reboot.
Where does a computer store its data?
The main data storage in most computers is the hard disk drive. It is a spinning disk or disks with magnetic coatings and heads that can read or write magnetic information, similar to how cassette tapes work.
What stores the instructions for the computer to boot up?
BIOS stands for Basic Input Output System. The BIOS is stored in the ROM. It contains all the basic code for controlling your computer hardware (such as keyboards, mice, monitors and hard drives). After the startup sequence is complete, and control has gone to the operating system, the BIOS does very little.
How are instructions stored in computers?
Instructions are stored in memory and the contents of the PC register are used as the starting address from where the next to be executed instruction is read. Because the length of an 68k instruction is bytes can vary decoding and reading the instruction from memory (steps 1 and 2) is an iterative process.
Where do you store the set of instructions that gets the computer ready to receive instructions discuss the different tasks performed by the OS?
Instruction types They are used to store the contents of a register, the contents of another memory location or the result of a computation, or to retrieve stored data to perform a computation on it later. They are often called load and store operations. Read and write data from hardware devices.
What does restarting your device do?
It’s actually really simple: when you restart your phone, everything that’s in RAM is cleared out. All the fragments of previously running apps are purged, and all currently open apps are killed. When the phone reboots, RAM is basically “cleaned,” so you’re starting with a fresh slate.