امتحان it الجديد 2010 كاملا بتاريخ اليوم .. مرفوع على رابط سريع

[msms86]

1.will always be spotted by anti-virus software

1.can make the hard disk unusable(غير مستعمل) on a computer
2.can be avoided if you regularly back up your hard disk
3.cannot enter your computer unless your computer is on a network