A Backup refers to
In information technology, a backup, or data backup is a copy of computer data taken and stored elsewhere so that it may be used to restore the original after a data loss event. The verb form, referring to the process of doing so, is "back up", whereas the noun and adjective form is "backup".
{(700 ÷ 20) × 40} – 30 × 18 = ?% of 1000
√1369 + √1024 + √841 =(?)2 − 46
5490 ÷ 15 × 18 + 450 = ?
∛157464 =?
x= √(4 × ∛(16 × √(4 × ∛(16 ×…… ∝)) ) )
(82 + 62 ) × 1.25 + 20% of 145 = ? – 40% of 65
779 + 136 – 334 = 270 + 121 + ?
62.94% of 1800 - 15.03 % of 2400 = ?
1780 – 60 ÷ 4 x 80 = ?