Computer Knowledge Flashcards

6 cards from real SSC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Computer Knowledge flashcards as text

Which of the following is NOT an operating system?
Answer: Oracle
Oracle is a database management system (DBMS), not an operating system.
What does 'CPU' stand for?
Answer: Central Processing Unit
CPU stands for Central Processing Unit, which is the primary component that executes program instructions.
Which shortcut key is used to permanently delete a file in Windows without sending it to the Recycle Bin?
Answer: Shift+Delete
Pressing Shift+Delete permanently deletes a file, bypassing the Recycle Bin.
What is the full form of 'URL'?
Answer: Uniform Resource Locator
URL stands for Uniform Resource Locator, which is the address used to access resources on the internet.
Which of the following is an input device?
Answer: Keyboard
A keyboard is an input device used to enter data into the computer; monitor, printer, and speaker are output devices.
1 Kilobyte (KB) is equal to how many bytes?
Answer: 1024 bytes
1 Kilobyte = 2^10 = 1024 bytes in binary/computing context.