25 Multiple Choice Questions and Answers on Computer Basics and Hardware
Q: CPU stands for? A) Central Processing Unit B) Central Programming Unit C) Computer Processing Unit D) Central Processor Unit Answer: A) Central Processing Unit
Q: RAM is used as a short-term memory because it is? A) Volatile B) Non-Volatile C) Slow D) Permanent Answer: A) Volatile
Q: The main circuit board in a computer is called? A) CPU B) Motherboard C) RAM D) VGA Answer: B) Motherboard
Q: Which of the following is an input device? A) Speaker B) Monitor C) Keyboard D) Printer Answer: C) Keyboard
Q: SSD stands for? A) Solid-State Drive B) Solid-State Device C) Secure Storage Device D) Single-State Drive Answer: A) Solid-State Drive
Q: Which component is considered the ‘brain’ of the computer? A) Hard Drive B) CPU C) RAM D) Motherboard Answer: B) CPU
Q: What does GUI stand for in computing? A) General User Interface B) Graphical User Interface C) Global User Interface D) Graphical Unified Interface Answer: B) Graphical User Interface
Q: Which of the following stores data permanently? A) RAM B) CPU C) Hard Drive D) GPU Answer: C) Hard Drive
Q: HDMI is used for? A) Power supply B) Display interface C) Data storage D) Sound enhancement Answer: B) Display interface
Q: The operating system is an example of? A) Application software B) System software C) Hardware D) Input device Answer: B) System software
Q: What is the primary function of the BIOS? A) Data Processing B) Managing Software C) Booting the Computer D) Enhancing Graphics Answer: C) Booting the Computer
Q: USB stands for? A) Universal Serial Bus B) Unified Serial Bus C) Universal System Bus D) Unified System Bus Answer: A) Universal Serial Bus
Q: What does the term ‘Peripheral’ refer to? A) External devices connected to the computer B) The main computer case C) Internal components of the CPU D) Cloud storage services Answer: A) External devices connected to the computer
Q: The binary system uses powers of? A) 8 B) 10 C) 2 D) 16 Answer: C) 2
Q: Which of the following is not a storage device? A) SSD B) HDD C) RAM D) DVD Answer: C) RAM
Q: A pixel is? A) A computer virus B) A type of RAM C) The smallest unit of a digital image D) A data storage unit Answer: C) The smallest unit of a digital image
Q: LAN stands for? A) Large Area Network B) Local Area Network C) Long Area Network D) Local Access Network Answer: B) Local Area Network
Q: Which device is used to process data into information? A) Keyboard B) Monitor C) Printer D) CPU Answer: D) CPU
Q: Which is not an operating system? A) Windows B) Linux C) Intel D) macOS Answer: C) Intel
Q: The process of starting or restarting a computer is called? A) Encoding B) Booting C) Processing D) Compiling Answer: B) Booting
Q: Which of the following is an example of an output device? A) Scanne B) Printer C) Keyboard D) Mouse Answer: B) Printer
Q: Which memory is used to store BIOS settings? A) RAM B) ROM C) SSD D) HDD Answer: B) ROM
Q: The term ‘bit’ stands for? A) Binary Digit B) Binary Data C) Bitrate Data D) Binary Decision Answer: A) Binary Digit
Q: Which port is used to connect external devices like pen drives to a computer? A) HDMI B) VGA C) USB D) Ethernet Answer: C) USB
Q: What does GPU stand for? A) General Processing Unit B) Graphics Processing Unit C) Graphical Performance Unit D) General Performance Unit Answer: B) Graphics Processing Unit
25 Short Questions and Answers on Computer Basics and Hardware
Q: What is the primary function of the CPU? A: To process instructions from both hardware and software.
Q: Define RAM. A: Random Access Memory, used for storing data temporarily.
Q: What is the purpose of a motherboard? A: To connect and communicate between all the computer components.
Q: How does an SSD differ from an HDD? A: SSDs use flash memory for faster data access, whereas HDDs use spinning disks.
Q: What is the role of a power supply unit in a computer? A: To convert AC power from the outlet to DC power for the computer.
Q: Describe the function of a graphics card. A: To process and render graphics and video on the display.
Q: What does BIOS stand for and its function? A: Basic Input/Output System; it initializes hardware during the booting process.
Q: Define the term ‘peripheral’. A: External devices that connect to the computer, like keyboards and mice.
Q: What is the significance of the binary system in computing? A: Computers use the binary system (0s and 1s) to process and store data.
Q: What is the difference between volatile and non-volatile memory? A: Volatile memory loses its data when power is off, while non-volatile memory retains it.
Q: Explain the term ‘pixel’. A: The smallest unit of a digital image displayed on a screen.
Q: What does LAN stand for and its purpose? A: Local Area Network; used for connecting computers within a limited area.
Q: How do operating systems differ from application software? A: Operating systems manage computer hardware and resources, while application software performs specific tasks for users.
Q: Define the booting process. A: The process of starting up a computer and loading the operating system.
Q: What is an output device? Give an example. A: Devices that output data from the computer, like a printer.
Q: What is the purpose of ROM in a computer? A: To store the firmware or BIOS, which is essential for booting the computer.
Q: Explain the term ‘bit’. A: The smallest unit of data in computing, representing a binary value of 0 or 1.
Q: What is a USB port used for? A: To connect external devices to a computer, such as pen drives.
Q: Define GPU and its purpose. A: Graphics Processing Unit, used for rendering images and videos.
Q: What is the function of the operating system? A: To manage computer resources and provide a user interface.
Q: How does a scanner differ from a printer? A: A scanner digitizes physical documents, while a printer creates physical copies of digital documents.
Q: What is cloud computing? A: Delivering computing services over the internet, including storage and processing power.
Q: Define the term ‘firewall’. A: A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Q: What is the purpose of an Ethernet port? A: To connect a computer to a networ using a cable, allowing for internet access or file sharing within a local network.
Q: Explain the difference between hardware and software. A: Hardware refers to the physical components of a computer system, whereas software consists of the programs and data that run on hardware.
5 Small Questions and Answers on Computer Basics and Hardware
Q: What is a motherboard? A: The main circuit board of a computer, housing the CPU, RAM, and other components.
Q: Define HDD. A: Hard Disk Drive, a traditional storage device that uses spinning disks to read/write data.
Q: What does HDMI stand for? A: High-Definition Multimedia Interface, a digital interface for transmitting audio and video.
Q: What is the purpose of RAM in a computer? A: To temporarily store data that the CPU needs quick access to while the computer is on.
Q: Explain the function of a PSU. A: Power Supply Unit, it converts mains AC to low-voltage regulated DC power for the internal components of a computer.
