Q46. Which of the following is NOT an Input device?
Answer: Monitor and Speaker
Q47. What are the basic rectangular building blocks of a spreadsheet?
Answer: Cells
Q48. Which of following item is not usually in Local Area Network (LAN)?
Answer: Modem
Q49. The brain of any computer system is ___?
Answer: CPU
Q50. What is the primary function of Firewall in computer networks?
Answer: To prevent/block unauthorized access