IS1, IS-1, or ''variation'', may refer to:
IS1
IS1 may refer to:
*
HMG Infosec Standard No.1 HMG Information Assurance Standard No.1, usually abbreviated to IS1, was a computer security, security standard applied to Government of the United Kingdom, government computer systems in the UK.
The standard was used to assess – and suggest resp ...
, a computer security standard used in the UK
* The
IBM IS1, an early relational database system
IS-1
IS-1 may stand for:
*The Soviet tank
IS-1 the first model of the Soviet Iosif Stalin tank series
*The first model of the Soviet Istrebitel Sputnikov missile; see ''
anti-satellite weapon''
*
Nikitin IS-1, a retractable wing fighter aircraft
See also
*
ISI (disambiguation)
*
IS (disambiguation)
In linguistics, a copula (plural: copulas or copulae; abbreviated ) is a word or phrase that links the subject of a sentence to a subject complement, such as the word ''is'' in the sentence "The sky is blue" or the phrase ''was not being'' in ...
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