# Words in Computer Science

### Buffer pool

An area of memory into which data pages are read, modified, and held during processing

### CMOS

Complementary metal-oxide semiconductor

### Code point

A 1-byte code representing one of 256 potential characters

### Daemon

In UNIX systems (Linux), a long-lived process

* runs unattended to perform continuous or periodic system-wide functions
* Daemons can be triggered automatically for execution of tasks

### Data type

The properties and internal representation that characterize data

### Deadlock

* An error condition in which further process cannot continue because each of two elements of the process is waiting for an action by or a response from the other.
* Unresolvable contention for the use of a resource

### Endian

An attribute of data representation that reflects how certain multi-octet data is stored in memory.

### Gateway

A device or program used to connect networks or systems with different network architectures. The system can have different

* Protocols
* Network architecture
* security policies