Computer Peripherals, Connections & Care

Question 1

What is the primary characteristic that defines an external peripheral?

Accepted Answer

An external peripheral is any hardware device that connects to a computer from the outside to provide input, output, or storage capabilities.

Question 2

Which of the following is primarily an input device?

Accepted Answer

The keyboard is the primary input device used for entering text, numbers, and commands into the computer.

Question 3

What is the main function of a computer monitor?

Accepted Answer

The monitor's primary function is to provide real-time visual feedback to the user as they interact with the computer.

Question 4

Which device is used to navigate the graphical user interface (GUI) and manipulate objects on the screen?

Accepted Answer

The mouse is a handheld pointing device used to navigate the graphical user interface (GUI).

Question 5

What is the function of a printer?

Accepted Answer

A printer is an output device that produces a hard copy of digital documents or images on paper.

Question 6

Which type of port is highly versatile and supports 'plug-and-play' technology for connecting various devices like keyboards, mice, and printers?

Accepted Answer

USB (Universal Serial Bus) Ports are highly versatile and support 'plug-and-play' technology.

Question 7

What is the purpose of HDMI (High-Definition Multimedia Interface) Ports?

Accepted Answer

HDMI ports transmit high-definition digital video and audio signals through a single cable.

Question 8

Before connecting any external peripherals, what is the crucial first step to ensure safety?

Accepted Answer

Ensure the computer system unit and all peripherals are powered off and unplugged from the electrical mains.

Question 9

Why is 'Dust and Dirt Prevention' a core principle of peripheral maintenance?

Accepted Answer

Dust acts as an insulator, trapping heat and causing mechanical parts to wear out.

Question 10

What is the primary reason for avoiding liquids near electronic components?

Accepted Answer

Spilling liquids on electronic components causes short circuits, corrosion, and permanent hardware damage.

Question 11

When cleaning a monitor, what is a crucial step to avoid damage?

Accepted Answer

Never spray liquid directly onto the screen.

Question 12

What is the recommended method for cleaning dust from between keyboard keys?

Accepted Answer

Use a can of compressed air or a soft brush to blow out dust from between the keys.

Question 13

Which of the following is an input device that converts physical images or text into a digital format?

Accepted Answer

The scanner is an input device that optically reads physical images, printed text, or handwriting and converts it into a digital format.

Question 14

What is the function of the green 3.5mm audio jack on a computer system unit?

Accepted Answer

The green port is for audio output (speakers and headphones).

Question 15

Why is 'Safe Disconnection' important, especially for USB storage devices?

Accepted Answer

USB storage devices should be safely ejected from the operating system before physical removal to prevent data corruption.

Question 16

What is a characteristic feature of VGA (Video Graphics Array) Ports?

Accepted Answer

VGA ports are typically blue with 15 pinholes and use thumbscrews to secure the cable connector.

Question 17

What should be done if a printer's printouts show streaks or missing lines?

Accepted Answer

Run the printer's built-in printhead cleaning utility from the computer software.

Question 18

Which material is recommended for cleaning the surfaces of keyboard keys and the mouse body?

Accepted Answer

A microfiber cloth moistened with a small amount of isopropyl alcohol.

Question 19

What is the primary purpose of 'Proper Cable Management'?

Accepted Answer

Cables should be kept organized to prevent tripping hazards and damage.

Question 20

Which of the following is NOT a recommended action for maintaining a monitor?

Accepted Answer

Spraying liquids directly on the screen.

Strong work.