41. Which type of computer is commonly used in scientific research and simulations?
A. Personal computers (PCs)
B. Workstations
C. Servers
D. Mainframes
42. What is the main function of a smartwatch?
A. Gaming
B. Web browsing
C. Fitness tracking and notifications
D. Video editing
43. Which type of computer is commonly used in military applications and scientific research?
A. Personal computers (PCs)
B. Workstations
C. Servers
D. Supercomputers
44. What is the main difference between a desktop and an all-in-one computer?
A. Processing power
B. Storage capacity
C. Operating system
D. Form factor
45. Which type of computer is commonly used in graphic design, video editing, and other media production tasks?
A. Personal computers (PCs)
B. Workstations
C. Servers
D. Mainframes