- Also known as bit depth (resolution)
- The level component
- The number of bits per sample affect dynamic range, which is level.
- Bits are Binary Digits
- all related to voltage
- An operating system is software that makes a computer work.
- The OS organizes and controls the computer's hardware.
- The OS is the software that enables all the programs to function.
- The OS acts as an interface between the program, or application and the machine
hardware.
- a file extension is the letters immediately shown after the last period in a file name.
- For example, if a file ends with extension .txt, the extension allows the operating system
to: know what type of file it is, and determine what program is capable of opening the file,
and run the file when it is selected.
- The binary system or base 2, uses the numbers 0 and 1 only.
- In its most basic form, an analog signal is converted to a digital signal by assigning a 1 or a
0.
- Voltage is either OFF or a 0, or ON, a 1
, Term 2 of 21
What does the File Manager do?
- creates the illusion there are file and folders being stored in computer memory.
- Keeps track of where files are stored
- Determines how files are stored
- Follows operating system file allocation policiesu
- Uses available storage space efficiently for filesu
- Creates a record, or a log of all file useu
- Allocates a file to a user if it is free and if they are permitted to access it
- De-allocates a file when the user is finished with it
- a file extension is the letters immediately shown after the last period in a file name.
- For example, if a file ends with extension .txt, the extension allows the operating system
to: know what type of file it is, and determine what program is capable of opening the file,
and run the file when it is selected.
The OS resides in kernel mode as part of the hardware.
- Create
- Open
- Save
- Save As
- Delete
- Rename
- Copy
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