| Computer Glossary |
UAE (Unrecoverable Application Error) :- An error in program that cannot be recovered. Usually you are kicked out of the program.
UART (Universal Asynchronous Receiver/Transmitter) :- This is a chip that drives your serial port.
UMB (Upper Memory Block) :- The block of memory between 640K and 1MB created in upper memory by a 386 memory manager. This
area is useful for loading TSRs and device drivers so they do not occupy valuable conventional memory (below 640K).
Undo Disk :- A disk that stores information about directories, files, and data that can be used to undo an unsuccessful operation.
Upload :- The placing of a program or data file from your computer system onto a floppy disk or other computer via modem.
Upper Memory :- The area of computer memory located immediately above the 640K of conventional memory to 1 megabyte. This
memory area is usually reserved for running the computer's hardware. Programs and drivers can be loaded into upper memory, freeing
up conventional memory.
UPS (Uninterruptable Power Supply) :- A backup power unit that provides continuous power when the normal power supply is
interrupted.
URL (Uniform Resource Locator) :- A logical address that identifies a resource on the Internet. For example, the URL
http://www.AKnack.com is the Internet address for the 'Advanced Knack' company.
USENET Newsgroups (Netnews) :- An Internet on-line discussion group.
User :- The person who is using the computer.
User Friendly :- It means that the system and the instructions for it are supposed to be easy to operate by people with a non-technical
background.
User Interface :- The aspect of a computer or program that is visible to the user.
User ID :- This is the number or name assigned to you when registering to access a computer or on-line service.
User Name :- A name, generally supplied by you, when you first connect with a host system.
Utility :- A program intended to make the use of a computer or of an application program easier.
UART (Universal Asynchronous Receiver/Transmitter) :- This is a chip that drives your serial port.
UMB (Upper Memory Block) :- The block of memory between 640K and 1MB created in upper memory by a 386 memory manager. This
area is useful for loading TSRs and device drivers so they do not occupy valuable conventional memory (below 640K).
Undo Disk :- A disk that stores information about directories, files, and data that can be used to undo an unsuccessful operation.
Upload :- The placing of a program or data file from your computer system onto a floppy disk or other computer via modem.
Upper Memory :- The area of computer memory located immediately above the 640K of conventional memory to 1 megabyte. This
memory area is usually reserved for running the computer's hardware. Programs and drivers can be loaded into upper memory, freeing
up conventional memory.
UPS (Uninterruptable Power Supply) :- A backup power unit that provides continuous power when the normal power supply is
interrupted.
URL (Uniform Resource Locator) :- A logical address that identifies a resource on the Internet. For example, the URL
http://www.AKnack.com is the Internet address for the 'Advanced Knack' company.
USENET Newsgroups (Netnews) :- An Internet on-line discussion group.
User :- The person who is using the computer.
User Friendly :- It means that the system and the instructions for it are supposed to be easy to operate by people with a non-technical
background.
User Interface :- The aspect of a computer or program that is visible to the user.
User ID :- This is the number or name assigned to you when registering to access a computer or on-line service.
User Name :- A name, generally supplied by you, when you first connect with a host system.
Utility :- A program intended to make the use of a computer or of an application program easier.
