Here are few important questions along with their answers for students of Class 7 of ICSE Board of Computer subject from the chapters of 'Hardware components and Introduction to spreadsheet'. Here you will find 27 Questions of Fill in the blanks of the chapter hardware components and introduction to spreadsheet.
*Note - Please mention in comment how much you answered correctly.
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| ICSE Computer Test Hardware Components and Introduction to spreadsheet 2024-25 (J K Online Classes) |
Fill in the blanks
1. The component used to disperse the heat generated by the CPU is heat sink.
2. A modem allows a computer to send and receive information through telephone lines by converting digital data into analog signals and vice-versa.
3. Software is a set of programs that instructs a computer about the work to be done.
4. A worksheet becomes active by clicking on the Home tab.
5. A formula always begins with an equals (=) sign.
6. The picture on a monitor is made up of thousands of small colored dots called pixels.
7. Computers require storage devices to store data permanently. There are two primary types of storage devices: Hard Disk Drive (HDD) and Solid-State Drive (SSD).
8. An HDD is a traditional storage device that uses spinning disks to store data. It provides high-capacity storage at a lower cost but tends to be slower than solid-state drives.
9. SSDs are newer storage devices that use flash memory. They are faster and more reliable than HDDs but typically come at a higher cost per gigabyte. SSDs are becoming increasingly popular due to their speed and durability.
10. Input devices are used to input data and commands into the computer. Common input devices include: keyboard, mouse, touchpad & scanners.
11. The keyboard is a primary input device used for typing text and entering commands.
12. The mouse is used for pointing and clicking on objects on the computer screen. It is essential for navigating graphical user interfaces.
13. Many laptops have touchpads that serve as a built-in pointing device, eliminating the need for an external mouse.
14. Scanners are used to convert physical documents and images into digital format for storage and editing on a computer.
15. Output devices display the results of computer processing. Common output devices include: monitor, printer & speaker.
16. A monitor displays visual output from the computer, such as text, images, and videos.
17. Printers produce hard copies of documents, images, and graphics.
18. Speakers produce audio output, allowing you to hear sounds, music, and spoken words from the computer.
19. Expansion cards are additional hardware components that can be added to a computer to enhance its capabilities.
20. The power supply unit provides electrical power to all the computer components. It converts electricity from the wall outlet into the appropriate voltage and current required by the computer.
21. Various ports and connectors on the computer allow you to connect external devices. Common ports include USB ports for connecting peripherals like keyboards and mice, HDMI ports for connecting monitors and TVs, and audio jacks for headphones and microphones.
22. Computers generate heat during operation, and a cooling system, often consisting of fans and heat sinks, helps dissipate this heat to prevent overheating and ensure stable performance.
23. A worksheet becomes active by clicking on the Home tab.
24. A formula always begins with an equals (=) sign.
25. The picture on a monitor is made up of thousands of small colored dots called pixels.
26. Modem allows a computer to send and receive information through telephone lines by converting digital data into analog signals and vice-versa.
27. Software is a set of programs that instructs a computer about the work to be done.
**The End**
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