This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Computer Science > Computer Systems And Organization > Class 7 Computer Science Chapter 1 Computer Systems And Organization – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 1 Computer Systems And Organization Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. List three examples of input devices and their functions. A) 1. Keyboard:Inputs text and commands. 2. Mouse:Controls cursor movement and selection. 3. Scanner:Converts physical documents into digital format. B) Speaker:Produces sound output. C) Projector:Displays visual content on a screen. D) Printer:Outputs text and images. Show Answer Correct Answer: A) 1. Keyboard:Inputs text and commands. 2. Mouse:Controls cursor movement and selection. 3. Scanner:Converts physical documents into digital format. 2. These are small programs or scripts that can negatively affect the health of your computer. A) Bot. B) Spyware. C) Virus. D) Worm. Show Answer Correct Answer: C) Virus. 3. Which type of computer is built to support an organization's information? A) Mini. B) Super. C) Embedded. D) Mainframe. Show Answer Correct Answer: D) Mainframe. 4. A board where all the circuits of a computer are placed A) Computer board. B) Motherboard. C) Blackboard. D) Backboard. Show Answer Correct Answer: B) Motherboard. 5. A copy of something that has been changed so that it is slightly different A) Extension. B) Version. C) Place. D) Station. Show Answer Correct Answer: B) Version. 6. What are the main components of a computer system? A) The main components of a computer system are CPU, memory (RAM), storage, and input/output devices. B) Network cables, printers, speakers, and monitors. C) Operating system, antivirus software, web browser, and email client. D) Motherboard, power supply, graphics card, and software. Show Answer Correct Answer: A) The main components of a computer system are CPU, memory (RAM), storage, and input/output devices. 7. What is the purpose of a UPS (Uninterruptible Power Supply)? A) To provide additional storage space for a computer system. B) To prevent data loss in the event of a power outage. C) To improve the quality of the graphics output. D) To increase the speed of a computer system. Show Answer Correct Answer: B) To prevent data loss in the event of a power outage. 8. What type of computer storage is the hard disk drive? A) Cloud storage. B) Optical storage. C) Flash memory. D) Magnetic storage. Show Answer Correct Answer: D) Magnetic storage. 9. ..... is also called the main memory. A) Register. B) RAM. C) ROM. D) Cache. Show Answer Correct Answer: B) RAM. 10. The following are ways to maintain your computer EXCEPT for: A) Uninstall programs that are no longer used. B) Search and delete spyware and viruses from the device. C) Clean browsers. D) Defragment the hard drive routinely to keep the device running smoothly. E) Install more programs. Show Answer Correct Answer: E) Install more programs. 11. What is the first step in maintaining a computer system? A) Running anti-virus software. B) Backing up data. C) Cleaning the keyboard. D) Installing updates. Show Answer Correct Answer: B) Backing up data. 12. 2 MB = ..... kb? A) 2048. B) 2000. C) 20 TB. D) 2000 TB. Show Answer Correct Answer: A) 2048. 13. What runs tasks like the operating systems, utilities, etc A) System software. B) Application software. C) Dedicated systems. D) Embedded systems. Show Answer Correct Answer: A) System software. 14. A local or restricted communications network, especially a private network created using World Wide Web software A) Intranet. B) Blended threats. C) Back doors. D) Trojan horse. Show Answer Correct Answer: A) Intranet. 15. These are computer hardware that shows or provides processed data. A) Primary storage. B) Input Devices. C) Output Devices. D) Secondary storage. Show Answer Correct Answer: C) Output Devices. 16. What best describes a LAN? A) A computer network that spans a relatively large area. B) A computer network that spans over one room. C) A computer network that spans a relatively small area. D) A computer network that spans a relatively middle size area. Show Answer Correct Answer: C) A computer network that spans a relatively small area. 17. A place on the internet where you can find information about something especially a particular organization A) Internet. B) Website. C) Intranet. D) Extranet. Show Answer Correct Answer: B) Website. 18. What is mobile system organization and how does it differ from traditional systems? A) Mobile systems prioritize high processing power over battery life. B) Mobile system organization is identical to traditional systems in functionality. C) Mobile system organization emphasizes portability and energy efficiency, while traditional systems focus on performance and wired connectivity. D) Traditional systems are designed for wireless connectivity only. Show Answer Correct Answer: C) Mobile system organization emphasizes portability and energy efficiency, while traditional systems focus on performance and wired connectivity. 19. What is an electronic machine that processes information? A) Speaker. B) Computer. C) Multimeter. D) Detector. Show Answer Correct Answer: B) Computer. 20. ROM is a ..... memory A) Volatile. B) Non-favorable. C) Both volatile and non-volatile. D) None of these. Show Answer Correct Answer: B) Non-favorable. 21. Designed to detect and destroy computer virus A) Antivirus software. B) Gateway. C) Cyber exercise. D) Hacker. Show Answer Correct Answer: A) Antivirus software. 22. ..... controls sequential instruction execution, interprets instructions. A) Instruction Register. B) Control Bus. C) Control Data. D) Control Unit. Show Answer Correct Answer: D) Control Unit. 23. Self replicating virus that does not alter files but resides in active memory and duplicates itself A) Virus. B) Spyware. C) Trojan horse. D) Worm. Show Answer Correct Answer: D) Worm. 24. The two methods to eliminate a virus is through. (1) removing the virus and (2) quarantine. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. What is technology that used in First Generation? A) Transistor. B) Integrated circuit. C) Vaccum tubes. D) Artificial intelligence. Show Answer Correct Answer: C) Vaccum tubes. 26. What software is made available to everyone and can be change, modify and distribute to public without any notification? A) Open-source software. B) Package software. C) Freeware. D) Custom software. Show Answer Correct Answer: A) Open-source software. 27. CD and DVD is an example of ..... A) Cloud storage. B) Optical storage. C) Flash memory. D) Magnetic storage. Show Answer Correct Answer: B) Optical storage. 28. A piece of equipment in a computer that is used to store information A) Blueray. B) CD. C) Hard disk drive. D) DVD. Show Answer Correct Answer: C) Hard disk drive. 29. Before backup, make sure to verify the following with the customer first:Date of last backupContent of backupData integrity of the backupAvailability of backup media for data restoration A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 30. A customized software A) Developed for generic applications, to cater to a bigger audience in general. B) Meet the requirements of a specific organization or an individual. C) Developers of some application software provide their source code as well as the software freely to the public. D) None of the above. Show Answer Correct Answer: B) Meet the requirements of a specific organization or an individual. 31. Explain the role of software libraries in programming. A) Software libraries complicate the coding process. B) Software libraries are irrelevant in modern programming. C) Software libraries play a crucial role in programming by providing reusable code, simplifying development, and enhancing productivity. D) Software libraries are only used for data storage. Show Answer Correct Answer: C) Software libraries play a crucial role in programming by providing reusable code, simplifying development, and enhancing productivity. 32. Which of the following is NOT a benefit of regular software updates? A) New features. B) Bug fixes. C) Improved security. D) Increased speed. Show Answer Correct Answer: D) Increased speed. 33. Choose the right definition of Core: A) Number of pulses per second. B) Size of RAM. C) A basic computation unit of the CPU. D) Maximum number of bits that a microprocessor can process at a time. Show Answer Correct Answer: C) A basic computation unit of the CPU. 34. Explain the process of data processing in a computer. A) Data processing does not require feedback from the user. B) Data processing in a computer involves input, processing, storage, output, and feedback. C) Data processing only involves input and output. D) Data processing is solely about storing data without any processing. Show Answer Correct Answer: B) Data processing in a computer involves input, processing, storage, output, and feedback. 35. The part of a computer where information is stored A) Google drive. B) Cloud. C) Memory. D) External drive. Show Answer Correct Answer: C) Memory. 36. Which mode of computer systems is safer? A) Kernel Mode. B) User Mode. C) All the above. D) None of the above. Show Answer Correct Answer: B) User Mode. 37. Which is the fastest memory device? A) Compact Disk. B) Hard Disk. C) RAM. D) Register. Show Answer Correct Answer: D) Register. 38. Which of the following is not a typical component of a computer system? A) Monitor. B) Generator. C) Keyboard. D) Printer. Show Answer Correct Answer: B) Generator. 39. The LOGIC GATE that produce LOW output only when both inputs are same is ..... A) NOT. B) NOR. C) OR. D) XOR. Show Answer Correct Answer: D) XOR. 40. Microwaves, washing machine, medical equipment, cameras, toys and airplanes are some of the appliances/ machines which uses the list above. A) Wearable Computers. B) Embedded Computers. C) Personal Digital Assistants. D) Micro Computers. Show Answer Correct Answer: B) Embedded Computers. 41. A computer system is: A) An electrical device. B) An input device. C) Devices that input, output, process, and store data and information. D) Input and output working together. Show Answer Correct Answer: C) Devices that input, output, process, and store data and information. 42. Identify the software that is NOT an application software A) Ubuntu. B) Google Chrome. C) Microsoft Word. D) Photoshop. Show Answer Correct Answer: A) Ubuntu. 43. ..... are part of the CPU chip and they are limitedin size and number. A) RAM. B) ROM. C) Registers. D) Cache. Show Answer Correct Answer: C) Registers. 44. What are the different types of hardware components? A) Processing devices, networking devices, display devices. B) Input units, output units, communication devices. C) Input methods, output methods, storage methods. D) Input devices, output devices, storage devices, processing units, networking components. Show Answer Correct Answer: D) Input devices, output devices, storage devices, processing units, networking components. 45. The box of the computer that contains the hardware A) Chassis. B) Box. C) Motherboard. D) Case. Show Answer Correct Answer: D) Case. 46. Which of the following is an octal-base number? A) 1385. B) 7354. C) 3 A 45. D) 9732. Show Answer Correct Answer: B) 7354. 47. Transistors are used in which generations of computers. A) 1st generation. B) 2nd generation. C) 3rd generation. D) None of these. Show Answer Correct Answer: B) 2nd generation. 48. Which of the following is NOT a common cause of computer system crashes? A) Using a surge protector. B) Insufficient RAM. C) Overheating. D) Virus infection. Show Answer Correct Answer: A) Using a surge protector. 49. Dropbox is an example of ..... A) Optical storage. B) Cloud storage. C) Flash memory. D) Magnetic storage. Show Answer Correct Answer: B) Cloud storage. 50. What is the purpose of output devices in a computer system? A) The purpose of output devices is to present data and information from the computer to the user. B) To process data and perform calculations. C) To connect the computer to the internet. D) To store data for future use. Show Answer Correct Answer: A) The purpose of output devices is to present data and information from the computer to the user. 51. The fastest and most powerful computer system A) Mainframe. B) Wearable. C) Mini. D) Super. Show Answer Correct Answer: D) Super. 52. Explain the importance of firmware in computer systems. A) Firmware is only used for software updates. B) Firmware is crucial for hardware control, system initialization, and enabling software-hardware communication. C) Firmware is irrelevant to hardware performance. D) Firmware is primarily for data storage management. Show Answer Correct Answer: B) Firmware is crucial for hardware control, system initialization, and enabling software-hardware communication. 53. Who is known as the father of Computers A) Steve Jobs. B) Charles Cabbage. C) Bill Gates. D) Charles Babbage. Show Answer Correct Answer: D) Charles Babbage. 54. The father of computers designed a calculating machine known as the A) Abacus. B) Pascaline. C) Stepped Reckoner. D) Analytica Engine. Show Answer Correct Answer: D) Analytica Engine. 55. What is an example of application software? A) Word processor. B) Utilities. C) Operating system. D) CPU. Show Answer Correct Answer: A) Word processor. 56. A properly maintained computer gives higher speeds, may it be via RAM or on the Internet, regardless of hardware set-up and configurations. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 57. This software is specially made for an organization as per their requirement. A) Open-source software. B) Freeware. C) Package software. D) Custom software. Show Answer Correct Answer: D) Custom software. 58. Which logic gate is known as the Universal Gate? A) XOR. B) NOT. C) NAND. D) NOR. Show Answer Correct Answer: C) NAND. 59. Describe the organization of a computer system. A) Storage and network components only. B) Input devices and output devices only. C) A computer system is organized into CPU, memory, storage, input devices, output devices, and the motherboard. D) CPU, RAM, and software only. Show Answer Correct Answer: C) A computer system is organized into CPU, memory, storage, input devices, output devices, and the motherboard. 60. Term for the physical parts of the computer A) INPUT DEVICES. B) HARD DRIVE. C) SOFTWARE. D) HARDWARE. Show Answer Correct Answer: D) HARDWARE. Next →Related QuizzesComputer Science QuizzesClass 7 QuizzesClass 7 Computer Science Chapter 1 Computer Systems And Organization Quiz 2Class 7 Computer Science Chapter 1 Computer Systems And Organization Quiz 3 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books