Posted inFeatured
Posted inBasics
Dynamic RAM (DRAM)
DRAM, unlike SRAM, must be continually refreshed in order to maintain the data. This is done by…
Posted inBasics
Static RAM (SRAM)
The word static indicates that the memory retains its contents as long as power is being supplied.…
Posted inBasics
Computer – Random Access Memory
RAM(Random Access Memory) is the internal memory of the CPU for storing data, program and…
Posted inBasics
Secondary Memory
This type of memory is also known as external memory or non-volatile. It is slower…
Posted inBasics
Primary Memory (Main Memory)
Primary memory holds only those data and instructions on which computer is currently working. It…
Posted inBasics
Cache Memory
Cache memory is a very high speed semiconductor memory which can speed up CPU. It…
Posted inBasics
Computer – Memory
A memory is just like a human brain. It is used to store data and…
Posted inBasics
Inkjet Printers
Inkjet printers are non-impact character printers based on a relatively new technology. They print characters…
Posted inBasics
Laser Printers
These are non-impact page printers. They use laser lights to produce the dots needed to…
Posted inBasics
Characteristics of Non-impact Printers
● Faster than impact printers. ● They are not noisy. ● High quality. ● Support many fonts and different…