1.
1. ข้อใดเป็นอุปกรณ์คอมพิวเตอร์ทั้งหมด
Correct Answer
D. พริ้นเตอร์ , เคส , คีย์บอร์ด
Explanation
The correct answer includes the devices that are commonly found in a computer setup. A printer, a computer case (also known as a tower or chassis), and a keyboard are all essential components of a computer system.
2.
2. ข้อใดเป็นอุปกรณ์สำหรับพิมพ์ตัวอักษร
Correct Answer
C. คีย์บอร์ด
Explanation
A keyboard is a device used for typing characters, including letters, numbers, and symbols. It is an input device that allows users to input text and commands into a computer or other electronic device. The other options, such as a mouse, a monitor, and a printer, are not specifically designed for typing characters.
3.
3. ข้อใดไม่ใช่อุปกรณ์สำหรับแสดงผล
Correct Answer
A. เมาส์
Explanation
The correct answer is "เมาส์" (mouse). A mouse is not a device used for displaying output, but rather for inputting commands or controlling the cursor on a computer screen. The other options, "จอภาพ" (monitor), "ลำโพง" (speaker), and "เครื่องพิมพ์" (printer), are all devices used for displaying or producing output.
4.
4. เมื่อนักเรียนพิมพ์ข้อความต่าง ๆ แล้วข้อความจะไปปรากฎที่อุปกรณ์ใด
Correct Answer
B. จอภาพ
Explanation
When students type various messages, the messages will appear on the screen.
5.
5. "จอภาพ" เรียกอีกอย่างหนึ่งว่า
Correct Answer
C. Monitor
Explanation
The correct answer is "Monitor" because the question is asking for another term for "จอภาพ" which translates to "monitor" in English. A monitor is a display screen that allows users to view images, videos, and other visual content on a computer or electronic device.
6.
6. CPU ย่อมาจากอะไร
Correct Answer
A. Central Processing Unit
Explanation
The correct answer is "Central Processing Unit." The CPU is the main component of a computer that performs most of the processing inside the computer. It is responsible for executing instructions, performing calculations, and managing data flow between different parts of the computer.
7.
7. อุปกรณ์ใดเปรียบเสมือนสมองของคอมพิวเตอร์
Correct Answer
A. CPU
Explanation
The CPU (Central Processing Unit) can be considered as the "brain" of a computer. It is responsible for executing instructions, performing calculations, and managing the flow of data within the computer system. Similar to how the human brain processes information and controls the body, the CPU controls and coordinates the various components of a computer. Therefore, the CPU can be likened to the "brain" of a computer.
8.
8. คอมพิวเตอร์จะทำงานได้ช้าหรือเร็วขึ้นอยู่กับอุปกรณ์ใด
Correct Answer
C. แรม
Explanation
The speed of a computer's performance depends on the RAM (random access memory) because it determines how quickly the computer can access and process data. The more RAM a computer has, the faster it can perform tasks as it can store and retrieve data quickly. Therefore, the correct answer is "แรม" (RAM).
9.
9. ถ้านักเรียนต้องการดูหนัง ฟังเพลง จะต้องมีอุปกรณ์ใด
Correct Answer
B. ลำโพง
Explanation
In order to watch a movie or listen to music, having speakers or headphones is necessary to hear the audio. Therefore, the correct answer is "ลำโพง" which translates to "speakers" in English.
10.
10. ถ้าไม่มีเมาส์นักเรียนสามารถเลือกคำสั่งในเมนูต่าง ๆ จากอุปกรณ์ใด
Correct Answer
C. คีย์บอร์ด
Explanation
The correct answer is "คีย์บอร์ด" (keyboard) because it is the primary input device that allows students to select commands from various menus on the screen. The monitor (จอภาพ) displays the menus and options, the speakers (ลำโพง) produce audio output, and the CD-ROM (ซีดีรอม) is a storage device that cannot be used to select commands.