4.2 Network issues and communication

Which of the following is a key advantage of CRT monitors?

• Lightweight design
• High-quality images from all angles
• Ability to use light pens
• Energy-efficient

What is one disadvantage of CRT monitors?

• Low power consumption
• Heavy and bulky
• Sharp image resolution
• No image burn-in

Which of the following devices is commonly used in mobile phones and laptops?

• CRT monitors
• LCD screens
• Touch screens
• Laser printers

What is a disadvantage of LCD screens?

• No flickering images
• Can be used at any angle without distortion
• Motion blur and inconsistent color and contrast from different angles
• High power consumption

Which of the following is an advantage of using a touchscreen?

• No need for additional input devices
• High power consumption
• Very difficult to clean
• Limited interactivity

What is a disadvantage of touchscreens?

• They are not interactive
• They tend to get dirty with frequent use
• They do not require physical interaction
• They are energy-inefficient

Which output device is commonly used in training and advertising presentations?

• CRT monitor
• Multimedia projector
• Speaker
• Inkjet printer

Which is a disadvantage of multimedia projectors?

• They are inexpensive to set up
• Their image quality can be fuzzy They consume very little power
• They consume very little power
• They don’t need any setup

Which type of printer is best suited for low-volume printing and high-quality output?

• Dot matrix printer
• Laser printer
• Inkjet printer
• 3D printer

One of the disadvantages of inkjet printers is that they can be:

• Very fast
• Expensive to maintain with frequent use
• Very noisy
• Good for printing large volumes