computer

computer

1. unit 3

   • lesson 4 utility software
     • covering
       • deleting data
       • Disk Defragmentation
       • User Accounts and security
       • Anti-Virus software
       • Software update
       • System cleanup
       • Encryption/Decrypiton
       • Formatting
     • Functions of Operating systems
       • Provision of a user interface
       • Memory management
       • multitasking
       • Disk/peripheral management
       • User management/security
       • File managemenrt