JKSSB SI Sample Question Paper: Computer Knowledge (100 Questions)

JKSSB SI Sample Question Paper: Computer Knowledge (100 Questions) Instructions: Each question has four options (A, B, C, D). Select the correct answer. This is a sample for practice purposes only. Computer Basics (1-25) What is the full form of CPU? A) Central Processing Unit B) Control Processing Unit C) Central Program Unit D) Control Program Unit Answer: A Which component is known as the "brain" of the computer? A) Monitor B) CPU C) Keyboard D) Hard Disk Answer: B Which of the following is an input device? A) Printer B) Monitor C) Mouse D) Speaker Answer: C Which device is used to produce a hard copy of a document? A) Scanner B) Printer C) Keyboard D) Mouse Answer: B What is the main function of the ALU in a CPU? A) Stores data B) Performs arithmetic and logical operations C) Controls input/output devices D) Manages memory Answer: B Which type of memory is volatile and loses data when the power is turned off? A) ROM B) RAM C) ...