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Computer Memory

The computer memory is a physical device used to store data or programs for use in a computer. Some types of computer memory include RAM (random access memory), ROM (read-only memory), and page cache.

4,434 Questions

What is bigger terabyte or gigabyte?

Terabyte is bigger. A Gigabyte is a billion (milliard to our UK friends) bytes. A Terabyte is a thousand of those, a million million bytes.

I hope this answers your question.

In what ways are the DDR400 RAM better than regular ones?

DDR400 RAM contains better hardware and faster processing speeds. The DDR400 RAM is able to perform tasks at a significantly faster rate than normal RAMs.

Units of memory in computer is a multiples of 2 then how come there could you a memory size of say 1GB 20GB and 30GB?

1GB refers to 2^20 bytes (2^20 is 1,048,576, it started with Kilobyte 2^10 (1024) bytes. 20 or 30 GB is usually a disk drive, which may have an odd number of 1KB tracks.

Sometimes the advertising people play tricks with this, for example 2^16 is 2^10*2^6 (1024*64), so in computer use that should be 64K but the actual number is 65536, the advertisers may say 65K (using K as 1000 instead of the binary 1024), or even round it to 66K.

What is the role of an address when used in the context of computer memory?

In the context of computer memory, an address is used to access the computer's primary storage memory. These addresses consist of fixed-length digits displayed as unsigned integers.

Is 1 Giga byte same speed as 1 Giga hertz?

no it's not, no normal computer is able to reacj 1 giga hertz of speed anyway, only supercomputers

How many Gigabytes are in a terabytes?

By definition, there are 1000 gigabytes (GB) in 1 terabyte (TB). The prefix giga- means billion, 109, and tera- means trillion, 1012.

There is another similar unit called the terabinary byte, or tebibyte. RAM sizes are based on powers of 2, due to binary addressing, so when RAM is big enough to measure in the tebibytes, it will be equal to 1024 gibibytes.

What are some of memory or storage devices you would consider most important to upgrade to improve your computer system?

Ram memory as of 5-6-12, 2 to 4 gigs of Ram would be acceptable on the standard to low end up to about 16 gigs for windows 7

Summary what Ram does:

if you clicked on a program like word it would launch from your hard drive into Ram so you can make changes like type a report. When you save and close word the program exits and goes back into storage on your hard drive.

Next the hard drive itself which is all about Rotations per minute (Rpm) the faster the hard drive spins the faster it can access data, i usually turn to tweaking windows to run faster before upgrading a hard drive for just speed. This is how i view today's speeds so you have a clue as to whats good and whats not.

rpm

3500- obsolete

5600-slow

7000-standard

10000-high

15000-super fast