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Friday,May20,
Thursday,May19,
Hard Drive
The hard drive stores all of the computer's information and retains the information when the computer is turned off. A fast hard drive is needed to supply the CPU with data as fast as it needs it. Hard drive sizes are typically measured in GigaBytes. The larger the number, the more applications and games you can have installed. When buying a hard drive you need to consider the...
Thursday,May19,
What's Cache?
Cache memory is extremely fast memory that is built into a computer’s (CPU), or located next to it on a separate chip. The CPU uses cache memory to store instructions that are repeatedly required to run programs, improving overall system speed. The advantage of cache memory is that the CPU does not have to use the motherboard’s system bus for data transfer....
Thursday,May19,
ROM
Read-only memory (ROM) is a type of memory that cannot be written to. Information is written to ROM chips by the manufacturer, and this information cannot be changed. In the past, if ROM information needed to be updated, you had to remove the original chip and replace it with an updated ROM chip. Software written to ROM chips is called firmware. Types of ROM: Read Only Memory, Programmable Read Only Memory, Erasable Programmable Read Only Memory, Electrically Erasable Programmable Read Only Memory, and Flash Electrically Erasable Programmable Read Only Memory....
Thursday,May19,
Random access memory or (RAM)
Refers to computer chips that temporarily store data to enhance computer performance. When a computer shuts down properly, all data located in random access memory is committed to permanent storage on the hard drive or flash drive. At the next boot-up, RAM begins to fill with programs automatically loaded at startup, and with files opened by the user. Types of RAM: Dynamic, Complimentary Semi-Oxide Conductor, Shadow, Video, and Windo...
Thursday,May19,
Central Processing Units (CPU)
The central processing unit (CPU) is the portion of a computer system that carries out the instructions of a computer program, and is the primary element carrying out the computer's functions. The central processing unit carries out each instruction of the program in sequence, to perform the basic arithmetical, logical, and input/output operations of the system. When buying...
Thursday,May19,
What to look for when getting a computer Monitor?
Monitor A computer monitor is an electronic device that shows pictures. A monitor is usually used to see programs on a computer. What to look for when purchasing a Monitor: Computer monitor are perhaps the most important element of your computer setup, other than the CPU itself. Unfortunately, it is also one of the...
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