OS 2 Flashcards
In a multiprogramming environment, the OS decides which process gets the processor
when and for how much time. This function is called
Process Scheduling
refers to the management of Primary Memory or Main Memory.
Memory management r
s a large array of words or bytes where each word or byte has its own
address.___________provides a fast storage that can be accessed directly by the CPU. For
a program to be executed, it must work in the main memory.
Main memory
A more common definition is that the operating system is the one program
running at all times on the computer (usually called the
KERNEL
An operating system is concerned with the allocation of resources and services,
such as memory, processors, devices, and information. The operating system
correspondingly includes programs to manage these resources, such as a traffic
controller, a scheduler, memory management module, I/O programs, and a file system.
Device Management
The path between the operating system and virtually all hardware not on the
computer’s motherboard goes through a special program called a
driver.
is the process of turning on the computer and powering up the system
Booting
is the process of controlling and coordinating the computer
applications and allocating space for programs.
Memory management
will load, or startup, a program and then execute the program
so that it opens and runs.
Loading and execution
is in charge of keeping data safe inside your computer and computer
programs. They set up security features that keep unwanted cyberattacks at bay
Data security
manages all the drives installed in a computer like hard drives,
optical disk drives, and flash drives. Disk management can be used to divide disks,
format drives, and more.
Disk management
allocates resources to different processes on the machine,
enable the processes to share information, protect them, and synchronize them.
Process management
will allow you to open or block access to devices like removable
devices, CD/DVDs, data transfer devices, printers, USBs, and others
Device control
takes control of the printers that are connected to the computer
and the materials that need to be printed
Printing controlling
is a user interface, or UI refers to the part of the OS that allows a
user to enter and receive information. This can be done with typed commands, code,
and others.
The user interface