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Flashcards in Operating Systems Deck (3)
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1
Q

Operating Systems

A

Definition: A set of integrated programs that help to control an entire computer system.

It forms a backbone between the hardware and the user’s program

Operating systems control input/output devices and manages the operation of storage

Also, a means of controlling the resources of a computer system (hardware, data)

Managing the communications and interface with the user

Different aspects of a computer related to the operating system : Applications, Monitor, Security, Keyboard, Mouse, Drives, Users,

2
Q

The OS Kernel

A

Definition: When a computer “boots up”, the first program loaded into memory is the main part of the OS, the kernel

The kernel – its responsible for allocating hardware resources to the processes that make up the operating system and to the programs running under the operating system

For Example – Control access to the hardware, is the interface for all hardware & user operations, “talks to” applications and always resides in memory

3
Q

The Role of the OS

A

Its to allow interactivity and interconnectivity between the operating system the hardware and applications on a computer and the end user

The applications that interact with the operating system are web browsers, Databases, word processors and email

The Hardware that interacts with the OS is the CPU, Memory, Hard Disks, DVD, CD-ROM, Flash Drives, Printers and Scanners