- 1. Electronics is a broad and diverse field that encompasses the study, design, and utilization of devices that operate by controlling the flow of electrons. From the smallest integrated circuits in modern smartphones to the most massive supercomputers, electronics plays a crucial role in nearly every aspect of modern life. The innovation and advancement of electronic technology have revolutionized communication, transportation, entertainment, healthcare, and many other industries, continually pushing the boundaries of what is possible. With ongoing developments in areas such as artificial intelligence, renewable energy, and internet of things, the future of electronics holds limitless possibilities for creating a smarter, more connected world.
What does CPU stand for?
A) Central Processor Unit
B) Computer Processing Unit
C) Control Processing Unit
D) Central Processing Unit
- 2. Which device is used to store data permanently in a computer?
A) Hard Drive
B) RAM
C) CPU
D) Flash Drive
- 3. What is the name of the standard interface used to connect peripherals to a computer?
A) VGA
B) Ethernet
C) HDMI
D) USB
- 4. Which of the following is an input device?
A) Printer
B) Speaker
C) Monitor
D) Keyboard
- 5. Which component of a computer is responsible for executing instructions?
A) GPU
B) Motherboard
C) RAM
D) CPU
- 6. What is the purpose of an operating system?
A) Edit photos
B) Manage computer hardware and software resources
C) Display ads on the desktop
D) Play music files
- 7. Which type of memory is non-volatile and retains data even when the computer is turned off?
A) RAM
B) ROM
C) Virtual Memory
D) Cache
- 8. What component of a computer converts digital signals from the CPU into visuals on the monitor?
A) Network Card
B) Modem
C) Sound Card
D) Graphics Card
- 9. What type of software allows you to browse the internet?
A) Photo Editing Software
B) Word Processor
C) Web Browser
D) Presentation Software
- 10. Which technology is used for wireless communication between devices over short distances?
A) Bluetooth
B) Fiber Optic
C) Ethernet
D) Wi-Fi
- 11. What is the basic unit of digital information storage?
A) Byte
B) Bit
C) Gigabyte
D) Megabyte
- 12. What is the main function of a power supply unit in a computer?
A) Convert AC power to DC power for use by internal components
B) Display images on the screen
C) Store data permanently
D) Connect to the internet wirelessly
- 13. What does HTML stand for?
A) Hyperlink Textual Markup Language
B) Hypertext Markup Language
C) High-Tech Multimedia Language
D) Home Tool Management Language
- 14. Which type of monitor provides the deepest blacks and most vivid colors?
A) LCD
B) LED
C) CRT
D) OLED
- 15. Which of the following is an example of an output device?
A) Keyboard
B) Microphone
C) Printer
D) Mouse
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