ocr gcse cs p1(computer system) Flashcards
What does CPU stand for?
Central Processing Unit
True or False: The CPU is the brain of the computer.
True
What is the main function of RAM?
To store data and instructions temporarily while the computer is on.
Fill in the blank: The _______ is a non-volatile storage device used to store data permanently.
hard drive
What does the term ‘software’ refer to?
Programs and applications that run on a computer.
Multiple Choice: Which of the following is an example of system software? A) Microsoft Word B) Windows OS C) Adobe Photoshop
B) Windows OS
What is the purpose of an operating system?
To manage computer hardware and software resources and provide common services.
True or False: ROM is volatile memory.
False
What is the primary purpose of a motherboard?
To connect all components of a computer together.
What is the function of a power supply unit (PSU)?
To convert electrical power from an outlet into usable power for the computer.
Fill in the blank: _______ is the process of starting up a computer.
Booting
Multiple Choice: Which component is responsible for rendering graphics? A) CPU B) GPU C) RAM
B) GPU
What is the difference between RAM and ROM?
RAM is temporary storage, while ROM is permanent storage.
What is a peripheral device?
An external device that provides input and output for the computer.
True or False: Input devices are used to provide data to the computer.
True
What does the acronym ‘SSD’ stand for?
Solid State Drive
Fill in the blank: A _______ is a type of software that allows users to browse the internet.
web browser
Multiple Choice: What is the primary purpose of a firewall? A) To increase speed B) To protect against unauthorized access C) To store data
B) To protect against unauthorized access
What is the function of the ALU in a CPU?
To perform arithmetic and logic operations.
True or False: A computer’s clock speed is measured in gigahertz (GHz).
True
What is the function of cache memory?
To store frequently accessed data for quick retrieval.
Fill in the blank: _______ is the process of converting data into a coded format.
Encryption
What is the role of an input device?
To allow users to enter data into the computer.
Multiple Choice: Which of the following is an example of an output device? A) Keyboard B) Mouse C) Monitor
C) Monitor