Cyber Olympiad Class 4 - Sample paper - Parts of computers
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Q1) What is the primary function of a computer's Central Processing Unit (CPU)?
(a) Storage of data
(b) Execution of instructions
(c) Display of images
(d) Internet connectivity
Answer: (b) Execution of instructions
Q2) Which component of a computer is responsible for storing data permanently even when the power is turned off?
(a) RAM (Random Access Memory)
(b) Hard Drive
(c) CPU (Central Processing Unit)
(d) Motherboard
Answer: (b) Hard Drive
Q4) Which input device is used to move the cursor on the computer screen?
(a) Keyboard
(b) Mouse
(c) Monitor
(d) Printer
Answer: (b) Mouse
Q5) The device that allows a computer to connect to the internet is called:
(a) Router
(b) Modem
(c) Switch
(d) Firewall
Answer: (b) Modem
Q6) What does CPU stand for in the context of computers?
(a) Central Processing Unit
(b) Computer Processing Unit
(c) Central Peripheral Unit
(d) Central Power Unit
Answer: (a) Central Processing Unit
Q7) Which component of a computer is often referred to as the "brain" of the system?
(a) Hard Drive
(b) RAM
(c) CPU
(d) Motherboard
Answer: (c) CPU
Q8) What is the function of the motherboard in a computer?
(a) Provides power to the computer
(b) Stores data permanently
(c) Connects all the components
(d) Processes instructions
Answer: (c) Connects all the components
Q9) Which of the following is an output device?
(a) Printer
(b) Keyboard
(c) Mouse
(d) Scanner
Answer: (a) Printer
Q10) What does the acronym GPU stand for in the context of computers?
(a) General Processing Unit
(b) Graphics Processing Unit
(c) Gaming Processing Unit
(d) General Peripheral Unit
Answer: (b) Graphics Processing Unit
Q11) Which component is responsible for temporarily storing data for quick access by the CPU?
(a) Hard Drive
(b) RAM
(c) ROM
(d) SSD
Answer: (b) RAM
Q12) What is the purpose of the BIOS (Basic Input/Output System) in a computer?
(a) Manages graphics processing
(b) Controls the boot process
(c) Performs mathematical calculations
(d) Manages network connections
Answer: (b) Controls the boot process
Q13) Which type of memory retains data even when the computer is turned off?
(a) RAM
(b) ROM
(c) Cache Memory
(d) Virtual Memory
Answer: (b) ROM
Q14) What role does the GPU play in a computer system?
(a) Manages storage devices
(b) Handles graphics rendering
(c) Controls input devices
(d) Executes software programs
Answer: (b) Handles graphics rendering
Q15) What is the primary function of the CPU in a computer?
(a) Stores large amounts of data
(b) Manages peripheral devices
(c) Processes instructions and data
(d) Establishes network connections
Answer: (c) Processes instructions and data
Q16) Which component is responsible for managing the flow of data between the CPU and other devices?
(a) Motherboard
(b) Power Supply Unit
(c) Network Interface Card (NIC)
(d) Central Processing Unit (CPU)
Answer: (a) Motherboard
Q17) What is the function of the ALU (Arithmetic Logic Unit) in the CPU?
(a) Manages storage devices
(b)
Q18) What does the term "Peripheral" refer to in the context of computers?
(a) Central Processing Unit (CPU)
(b) External devices connected to the computer
(c) Primary storage devices
(d) Computer monitor
Answer: (b) External devices connected to the computer
(c) Controls input devices
(d) Handles graphics rendering
Answer: (b) Performs mathematical and logical operations
Q19) Which type of memory is used to store frequently accessed data for quick retrieval?
(a) RAM
(b) ROM
(c) Cache Memory
(d) Virtual Memory
Answer: (c) Cache Memory
Q20) In a computer system, what is the purpose of the PSU (Power Supply Unit)?
(a) Manages power consumption of the CPU
(b) Provides electrical power to the entire system
(c) Controls the boot process
(d) Manages network connections
Answer: (b) Provides electrical power to the entire system
Q21) What is the role of an operating system in a computer?
(a) Manages the computer's physical components
(b) Provides a user interface for interaction
(c) Controls the execution of software programs
(d) All of the above
Answer: (d) All of the above
Q22) What does the term "GUI" stand for in the context of computing?
(a) Graphical User Interface
(b) General User Interaction
(c) Grouped User Icons
(d) General Utility Integration
Answer: (a) Graphical User Interface
Q23) What is the purpose of a firewall in computer networks?
(a) Monitors keyboard inputs
(b) Protects against unauthorized access
(c) Manages network cables
(d) Creates virtual networks
Answer: (b) Protects against unauthorized access
Q24) In MS-Word, what does the "Format Painter" tool allow you to do?
(a) Change the document's font
(b) Copy formatting from one part and apply it to another
(c) Create tables and charts
(d) Adjust page margins
Answer: (b) Copy formatting from one part and apply it to another
Q25) What is the primary function of a network router?
(a) Connects multiple computers to a single display
(b) Filters and forwards data between computer networks
(c) Manages printer connections
(d) Stores data for future use
Answer: (b) Filters and forwards data between computer networks