(6) In a standard household refrigerator, which component is an essential part of the cooling process?
- (a) Ice dispenser
- (b) Vegetable drawer
- (c) Compressor
- (d) Light bulb
(7) In a computer network, which device is an essential part for connecting multiple devices and facilitating communication between them?
- (a) Monitor
- (b) Router
- (c) Printer
- (d) Webcam
(8) In the context of a cell phone, which component is an essential part for converting sound into electrical signals during phone calls?
- (a) Screen
- (b) Microphone
- (c) Speaker
- (d) Battery
(9) In a bicycle, which component is an essential part for changing the speed and force applied to the wheels?
- (a) Handlebars
- (b) Saddle
- (c) Gear shifter
- (d) Pedals
(10) Which component is an essential part of a wristwatch that ensures accurate timekeeping?
- (a) Watchband
- (b) Bezel
- (c) Quartz crystal
- (d) Second hand
