1. Which of the following is the brain of the computer? a) Keyboard b) Central Processing Unit (CPU) c) Mouse d) Monitor Answer: b) Central Processing Unit (CPU) Explanation: The CPU is considered the brain of the computer because it processes instructions and controls the operations of the computer. 2. Which part of the computer is used for long-term data storage? a) RAM b) CPU c) Hard Drive d) ROM Answer: c) Hard Drive Explanation: The hard drive is used for long-term storage of data and files, while RAM is temporary memory used for active processes. 3. Which of the following is an example of an input device? a) Monitor b) Printer c) Keyboard d) Speaker Answer: c) Keyboard Explanation: Input devices are used to enter data into a computer. A keyboard allows users to input text and commands. 4. Which of the following is a volatile memory? a) Hard Disk b) ROM c) RAM d) SSD Answer: c) RAM Explanation: RAM is volatile memory, meaning it loses its contents when the power is turned off, unlike storage devices such as hard disks and SSDs. 5. What does GUI stand for in computing? a) Graphical Utility Interface b) Graphical User Interface c) General User Interface d) Global Utility Interface Answer: b) Graphical User Interface Explanation: GUI refers to a type of user interface that allows users to interact with electronic devices through graphical icons and visual indicators. 6. What does ROM stand for? a) Read-Only Memory b) Random Only Memory c) Read Output Memory d) Random Output Memory Answer: a) Read-Only Memory Explanation: ROM is non-volatile memory that holds data that cannot be modified or written by the user. 7. Which unit is responsible for arithmetic and logical operations in a computer? a) Control Unit b) Arithmetic Logic Unit (ALU) c) Memory Unit d) Input Unit Answer: b) Arithmetic Logic Unit (ALU) Explanation: The ALU performs arithmetic and logic operations, while the control unit manages the execution of instructions. 8. Which of the following is an example of system software? a) MS Word b) Windows Operating System c) Photoshop d) Tally Answer: b) Windows Operating System Explanation: System software, like operating systems (Windows), controls the hardware and provides services to application software. 9. Which type of computer language is directly understood by the computer? a) Assembly Language b) High-level Language c) Machine Language d) Procedural Language Answer: c) Machine Language Explanation: Machine language is the lowest-level programming language, written in binary code, and directly understood by the computer's CPU. 10. What is the primary function of an operating system? a) Word processing b) Manage computer hardware and software resources c) Perform arithmetic operations d) Manage network connections Answer: b) Manage computer hardware and software resources Explanation: The operating system is responsible for managing the computer's hardware, software, and providing a platform for application software to run.