Computer Hardware Quiz PDF

## Multiple Choice 1. What type of keyboard mimics the feel of a typewriter with a spring-like key action? - Traditional mechanical keyboard 2. Which keyboard type is known for being durable, water-resistant, and made from soft polymers? - PDA keyboard 3. What is the primary design focus of...

## Multiple Choice 1. What type of keyboard mimics the feel of a typewriter with a spring-like key action? - Traditional mechanical keyboard 2. Which keyboard type is known for being durable, water-resistant, and made from soft polymers? - PDA keyboard 3. What is the primary design focus of an ergonomic keyboard? - Adjustability to fit various body types 4. How does a wireless keyboard typically connect to devices? - Using a stylus for input 5. What feature might a PDA keyboard have for one-handed use? - Wireless capabilities 6. What type of mouse uses a metal or rubber ball to detect movement? - Mechanical mouse 7. How does an optical mouse detect movement? - By using a touch-sensitive surface 8. What technology does a wireless mouse typically use to connect to a computer? - Bluetooth, RF, or infrared 9. Which input device is primarily used for gaming applications and controls movement through a lever? - Joystick 10. What is a touch screen used for? - To interact with a display using gestures and fingertip movements 11. What function does a light pen serve as a computer input device? - To select text and draw pictures on a screen 12. A librarian needs to digitize a large collection of books. She uses a device that scans the pages and converts the text and images into a format that can be edited and stored on a computer. Which device is she most likely using? - Optical reader 13. At a grocery store, a cashier scans the price labels of various products using a hand-held device to quickly ring up purchases. What type of device is being used in this scenario? - Barcode reader 14. A company needs to process forms filled out by customers, where they mark specific options with checks or Xs. They use a scanner that can recognize these marks and convert them into digital data for analysis. What type of device is being utilized? - Character and mark recognition device 15. What is the primary method an ink-jet printer uses to produce copies? - Spraying droplets of ink onto paper 16. Which type of printer is known for using non-impact photocopier technology? - Laser printer 17. What distinguishes thermal printers from other types of printers? - They use heat to produce labels and signage. 18. What is the primary function of a cathode-ray tube (CRT) in computer displays? - To project images using an electron beam on a phosphorescent surface 19. Which of the following statements is true about flat panel displays compared to cathode-ray tubes (CRTs)? - Flat panels are typically lighter and thinner. 20. When comparing the physical characteristics of cathode-ray tubes (CRTs) and flat panel displays, which statement is true? - CRTs are typically heavier and bulkier than flat panel displays. ## Identification 1. Single Task OS - It allows only one program or app to run at a time. 2. Foreground - This is the active program, that is the one you currently are using. 3. Coordinating Tasks - The operating system determines the order in which tasks are performed. 4. Background - Programs that are running but not in use 5. Multitask OS - It allows two or more program app to reside in memory at the same time. 6. Drivers - A small program that tells the operating system how to communicate with a specific device. 7. Computer Network - A collection of computers and devices connected together via communications devices and transmission media 8. PAN - A network that connects computers and devices in an individual's workspace using wired and wireless technology 9. LAN - A network that connects computers and devices in a limited geographical area such as a home, school, an office building or closely positioned group of buildings. 10. MAN - It connects LANs in a metropolitan area such as a city or town MAN, usually is managed by a single network provider that sells high-speed network services to multiple users. 11. WAN - A network that covers a large geographic area (such as country or the world) using a variety of wired and wireless transmission media 12. Communication device - A is any type of hardware capable of transmitting data, instructions, and information between a sending device and a receiving device 13. WAP - A central communications device that allows computers and devices to transfer data wirelessly among themselves or to a wired network 14. Router - It connects multiple computers and devices together and transmits data to its correct destination on a network. 15. Hub - A networking device that connects multiple PCs to a single network