Computer
Computer
Which of the following is the brain of the computer?
- A) CPU
- B) RAM
- C) Hard Drive
- D) GPU
- Answer: A) CPU
- Explanation: The Central Processing Unit (CPU) is often referred to as the brain of the computer because it handles all instructions it receives from hardware and software running on the computer.
What does RAM stand for?
- A) Random Access Memory
- B) Read Access Memory
- C) Readable Access Memory
- D) Real Access Memory
- Answer: A) Random Access Memory
- Explanation: RAM stands for Random Access Memory, which is a type of computer memory that can be accessed randomly.
Which of the following is a non-volatile memory?
- A) RAM
- B) ROM
- C) Cache
- D) Register
- Answer: B) ROM
- Explanation: ROM (Read-Only Memory) is non-volatile, meaning it retains its contents even when the computer is turned off.
Which of the following devices is used for permanent storage?
- A) RAM
- B) ROM
- C) Hard Disk Drive (HDD)
- D) Cache
- Answer: C) Hard Disk Drive (HDD)
- Explanation: Hard Disk Drives are used for permanent storage of data, where data is not lost when the computer is turned off.
What is the full form of HTML?
- A) Hyper Text Markup Language
- B) Hyper Text Makeup Language
- C) High Text Markup Language
- D) High Text Makeup Language
- Answer: A) Hyper Text Markup Language
- Explanation: HTML stands for Hyper Text Markup Language, which is used to create web pages and web applications.
Which of the following is an output device?
- A) Keyboard
- B) Mouse
- C) Monitor
- D) Scanner
- Answer: C) Monitor
- Explanation: A monitor is an output device that displays information in visual form.
What does URL stand for?
- A) Uniform Resource Locator
- B) Uniform Resource Link
- C) Universal Resource Locator
- D) Universal Resource Link
- Answer: A) Uniform Resource Locator
- Explanation: URL stands for Uniform Resource Locator, which is the address of a resource on the internet.
Which of the following is a programming language?
- A) HTTP
- B) HTML
- C) FTP
- D) Python
- Answer: D) Python
- Explanation: Python is a high-level programming language used for general-purpose programming.
Which of the following is a type of malware?
- A) Worm
- B) Browser
- C) Compiler
- D) Database
- Answer: A) Worm
- Explanation: A worm is a type of malware that replicates itself to spread to other computers.
Which of the following is used to access the Internet?
- A) Word Processor
- B) Spreadsheet
- C) Web Browser
- D) Database
- Answer: C) Web Browser
- Explanation: A web browser is software used to access and view websites on the Internet.
Which of the following is not an operating system?
- A) Windows
- B) Linux
- C) Oracle
- D) macOS
- Answer: C) Oracle
- Explanation: Oracle is a database management system, not an operating system. Windows, Linux, and macOS are examples of operating systems.
What is the full form of PDF?
- A) Portable Document Format
- B) Portable Data Format
- C) Professional Document Format
- D) Professional Data Format
- Answer: A) Portable Document Format
- Explanation: PDF stands for Portable Document Format, which is a file format used to present documents independent of software, hardware, or operating system.
Which of the following is a primary storage device?
- A) CD-ROM
- B) Hard Disk
- C) RAM
- D) Flash Drive
- Answer: C) RAM
- Explanation: RAM is a primary storage device used by the computer to store data that is actively being used.
Which language is directly understood by the computer without translation?
- A) High-level language
- B) Assembly language
- C) Machine language
- D) Middle-level language
- Answer: C) Machine language
- Explanation: Machine language is the lowest-level programming language, directly understood by the computer’s CPU without any translation.
Which of the following is not an input device?
- A) Keyboard
- B) Mouse
- C) Printer
- D) Scanner
- Answer: C) Printer
- Explanation: A printer is an output device used to print documents, while the keyboard, mouse, and scanner are input devices.
Which of the following is used for logical comparison?
- A) ALU
- B) CU
- C) MU
- D) PU
- Answer: A) ALU
- Explanation: The Arithmetic Logic Unit (ALU) performs arithmetic and logical operations.
What is the main function of the control unit in the CPU?
- A) To store data
- B) To control the operations of the CPU and manage the execution of instructions
- C) To perform arithmetic and logical operations
- D) To provide temporary storage
- Answer: B) To control the operations of the CPU and manage the execution of instructions
- Explanation: The control unit directs the operation of the processor and manages the execution of instructions by the CPU.
What type of software is an operating system?
- A) Application software
- B) System software
- C) Utility software
- D) Development software
- Answer: B) System software
- Explanation: An operating system is a type of system software that manages computer hardware and software resources and provides common services for computer programs.
Which protocol is used to transfer files over the internet?
- A) HTTP
- B) FTP
- C) SMTP
- D) SNMP
- Answer: B) FTP
- Explanation: FTP (File Transfer Protocol) is used to transfer files between computers on a network.
What does the acronym BIOS stand for?
- A) Basic Input Output System
- B) Binary Input Output System
- C) Basic Internal Output System
- D) Binary Internal Output System
- Answer: A) Basic Input Output System
- Explanation: BIOS stands for Basic Input Output System, which is firmware used to perform hardware initialization during the booting process.
