Portrait since it is more tall then wide
Computer Viruses:
Morris Worm
Nimda
ILOVEYOU
SQL Slammer
Stuxnet
CryptoLocker
Conficker
Tinba
Welchia
Shlayer
Anti-viruses:
Esafe
Avast
Avira AntiVirus
e Trust Antivirus
Dr Web by
NOD32
F-Secure Antivirus
AVG Anti-virus
.Kaspersky Antivirus
McAfee Antivirus
eScan
PC-Cillin
Symantec Antivirus
Answer:
constant or constant expression
register name
variable name (memory)
Explanation:
Literally, operand means data which an operation can be performed on. The operation could be an arithmetic or logical operation.
From the list of options, several operations can be performed on:
- constants e.g.

- registers and
- variables e.g. (a + b)
<em>However, no operation can be performed on keywords and/or reserved words.</em>
Answer:
its A. the answer to your question is preserved. :)