MANAGING PROGRAMS
MEMORY MANAGEMENT
I/O DEVICES AND INTERACTION
INTERNAL COMPONENTS
INTERNAL COMPONENTS
100
run one program at a time
What is singletasking?
100
A file stored on the computer hard drive. It switches information between disk and RAM
What is swap file?
100
A user interface that is navigated by typing commands at prompts, as opposed to using the mouse to perform a command. Syntax is important. Has keywords, lots of typing.
What is command line?
100
Electronic circuitry that holds data and program instructions for processing.
What is memory?
100
L1 cache is cache that is built into the processor and is the fastest and most expensive cache in the computer.
What is L1?
200
Enables computer to execute more than one task in a single program
What is multihreading?
200
TRUE
If memory is full, OS starts storing copies of pages in a hard disk file=swap file TRUE OR FALSE
200
Gets the system started
What is ROM BIOS?
200
Determines what the program instruction means and how it is to be executed.
What is a decoder?
300
run 2 or more programs at a time. Doesn't run them simultaneously
What is multitasking?
300
TRUE Swapping is time consuming
Swapping slows down computer TRUE OR FALSE
300
To start a program
What is launch application's function ?
300
-Volatile memory requires power source. Lost power= lost data -Non volatile memory can contain data w/o power source.
What is the difference between volatile memory and nonvolatile memory?
300
Arithmetic logic unit, performs arithmetic or logical operations.
What is ALU?
400
Use of 2 or more processors at a time.
What is multiprocessing?
400
MEMORY PAGE SWAPPED OUT SWAP FILE HARD DISK PAGE SWAPPED IN
Name 5 steps of page swapping
400
Graphical user interface, allows the use of icons or other visual indicators to interact with electronic devices, rather than using only text via the command line.
What is GUI?
400
Random access memory, holds data/instructions. Store part of operating system, part of the application program and your files as you work on them.
What is RAM?
400
FETCH DECODE EXECUTE WRITE BACK
What are the components of the machine cycle?
500
Foreground contains the applications the user is working on. Background contains the applications that are behind the scenes.
What is foreground and background?
500
Use part of disk as a an extension of RAM
What is virtual memory?
500
A software program that is operated using files menus instead of using commands.
What is menu-driven?
500
Main memory often not fast enough to keep up with demands of CPU. It is faster, more expensive than main memory.
What is Cache?
500
TRUE
Execution instruction takes place in the arithmetic & logic unit. And ends it putting to RAM as result. TRUE OR FALSE
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