Part 3 Flashcards
What is a user account?
“A profile with personalized settings, access rights, and security credentials.”
Why is security part of user management?
“To protect sensitive data and maintain system integrity.”
What is the difference between authentication and authorization?
“Authentication verifies identity; authorization grants access rights.”
How does the OS handle file deletion?
“By marking storage space as available for overwrite (not immediate erasure).”
What is a file system?
“The OS’s method to organize, store, and retrieve files on a storage device.”
What is utility software?
“Software that performs maintenance or specialized tasks (e.g., encryption, defragmentation).”
Name three types of utility software.
“Encryption, defragmentation, and data compression software.”
Why is encryption software used?
“To secure data by converting it into unreadable ciphertext.”
What does defragmentation software do?
“Reorganizes fragmented files on a disk to improve access speed.”
Why is defragmentation necessary?
Fragmentation slows disk performance; defragmentation optimizes file storage.
