Chapter 12 Operating Systems Flashcards
1
Q
Operating Systems
pg.563
A
- OS
- Must communicate with the computer hardware to perform tasks like…
- File and disk management
- Device access
- Memory management
- Output format
2
Q
Application
pg.564
A
- Software that is written to supplement the commands available to a particular OS
- Ex.
- Microsoft Word
- Internet Explorer
3
Q
Driver
pg.564
A
- Software that allows your computer to communicate with hardware or devices
4
Q
Version
pg.565
A
- Particular revision of a software
5
Q
Source
pg.565
A
- Actual code that defines how a piece of software works
- Open source
- OS can be examined and modified by anyone
- Closed Source
- Only owner or developer can modify the OS
6
Q
Shell
pg.565
A
- Program that runs on top of the OS and allows user to issue commands
7
Q
Cooperative multitasking
pg.565
A
- A method that depends on the application itself
- The responsibility of the currently running task is to give up the processor to allow other tasks to run.
8
Q
Preemptive multitasking
pg.565
A
- OS decides how long to allocate to any one task before giving another task a turn to use the operating system
- Used in modern OS
9
Q
Multitasking
pg.565
A
- The ability of a single application to have multiple requests in to the processor at one time
10
Q
32-bit
pg.566
A
- Can only run on 32-bit processors
11
Q
64-bit
pg.566
A
- Can only run on 64-bit processors
- Was more common with servers than desktops
12
Q
x86
pg.566
A
- Commonly used to refer to OS intended to run on the Intel processor
32-bit
13
Q
x64
pg.566
A
- 64-bit
14
Q
Windows Desktop
pg.572
A
- Consists of…
- Start Menu
- Taskbar
- # of icons
- Shortcuts
15
Q
Taskbar
pg.575
A
- Start Menu
- System tray (systray)
- Quick launch area
- Commonly used programs are here