Memory(RAM AND ROM)
What is the primary purpose of RAM in a computer?
To store data that is currently being used by the CPU for quick access.
What is the primary function of the CPU in a computer?
To process instructions and manage tasks in the system.
What does "HDD" stand for?
Hard Disk Drive.
What device is primarily used to move the cursor on a computer screen?
A mouse
What type of memory is non-volatile and stores data permanently, even when power is off?
ROM (Read-Only Memory).
What does "GHz" measure in relation to a CPU?
The clock speed, which indicates how many cycles per second the CPU can execute.
What is the main advantage of SSDs over HDDs?
SSDs are faster and have no moving parts.
Which device is most commonly used to input text into a computer?
A keyboard
What does "DDR" stand for in DDR RAM?
Double Data Rate.
What does CPU stand for ?
Central processing unit
What does "NVMe" stand for in SSD technology?
Non-Volatile Memory Express.
What is a touchpad?
A flat, touch-sensitive surface used to control the cursor, commonly found on laptops.
What is the difference between SRAM and DRAM?
SRAM is faster and more expensive, used in cache, while DRAM is slower but cheaper, used in main memory.
What is hyper-threading in CPU technology?
A technology that allows a single CPU core to handle two threads at once for improved performance.
What is the difference between a SATA and an NVMe drive?
NVMe drives are faster and use PCIe lanes, while SATA drives are slower and use a different bus.
What is keyboard used for ?
A computer keyboard is an input device used to enter characters and functions
What is virtual memory?
A section of the hard drive used as temporary RAM when the actual RAM is full.
What is the function of the CPU cache?
To store frequently accessed data for quick retrieval, improving the overall speed of the CPU.
What is RAID and its main purpose?
What is a light pen used for?