What is speed in computer?

Answer 1

This is actually a very complicated question to answer as there are so many different (and often contradictory) ways to define and measure the speed of a computer. Because of this people often get confused and misinterpret the term. The following answer is obviously incomplete, but should help you understand some of the issues and give you ideas for other information to research.

• clock speed, measures raw clock signal in Hz - easiest to measure but least informative, especially with modern CPUs having multiple heavily pipelined execution units running in parallel
• OPS, measures operations per second - typically a measure of ALU speed only and ignores overhead that can slow speed below this figure (sometimes OPS and IPS are used interchangeably and both mean instructions executed per second, which does include the overhead)
• IPS, measures instructions executed per second - however in CISC computers some instructions take much longer than others to execute while in RISC computers almost all instructions take about the same amount of time, causing RISC computers to usually score higher than CISC computers even if both have similar real world performance
• FLOPS, measures floating point operations per second - for floating point computation intensive applications this gives an excellent measure of the speed, but if the application uses little or no floating point calculations it is useless
• benchmark programs, measures various synthetic but standardized performance parameters - these measurements are usually based on known critical sections of typical real application programs but can be run under more controlled conditions
• application programs, measures real world performance but needs the real application - hardest to measure (especially if the application has yet to be written when the computer must be selected) but it gives the most informative results

Answer 2

You can speed up your computer in a number of ways. For instance you can clean your Windows registry through an efficient Registry Cleaner and PC Optimizer such as Reginout.

Similarly you can uninstall unwanted softwares and disable unused programs. Keeping a shorter list of start up programs helps to speed up your computer start up.

Answer 3

The relevant "speed" is basically, how quickly the computer can get work done. There is no precise way to define this; but one measure that is often used is called "flops" - floating-point operations per second. That means additions, subtractions, multiplications, or divisions.

As an example, in 2016, the #1 supercomputer (according to the "Top 500" list) can do approximately 93 petaflops - that is 93 x 10 to the power 15 operations per second.

Answer 4

The speed of a computer is dependent on 2 things

1. age/quality of hardware

the older you computer is the slower it will run.

2.software

simple as really new software is designed to run on new systems meaning it is more demanding on the hardware.

providing that you maintain your computer correctly you should only need a hardware update once every 3 years.

Answer 5

The speed of a computer depends on the age of the computer. Old computers run up to 50 times slower than the newest computer.

Answer 6

it depends on the type of processor you have and how many you have

Answer 7

suthu