trusted computing base

A trusted computing base (TCB) is the totality of protection mechanisms within a computer system, including hardware, firmware, and software, the combination of which is responsible for enforcing a security policy. The ability of a trusted computing base to enforce correctly a unified security policy depends on the correctness of the mechanisms within the trusted computing base, the protection of those mechanisms to ensure their correctness, and the correct input of parameters related to the security policy.

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time scale
t interface
toll switching trunk
total harmonic distortion
traffic flow security
traffic intensity
transceiver
transcoding
transmission
transmission block
transmission coefficient

transmission level point
transmission line
transmission medium
transmit after receive time delay
transmit flow control
transmitter attack time delay
transparency
transponder
transposition
transverse redundancy check
tree structure

troposphere
tropospheric wave
truncated binary exponential backoff
trunk
turnkey
two out of five code
type 1 encryption
type 2 encryption
u interface
unavailability
uninterruptible power supply

universal time
abstract factory pattern
uplink
upt environment
upt number
upt service profile
user
user information bit
utility program
validation
variable length buffer