The terms 32-bit and 64-bit refer to the way a computer's processor (also called a CPU), handles information. The 64-bit version of Windows handles large amounts of random access memory (RAM) more effectively than a 32-bit system.
The purposeful application of information in the design, production, and utilization of goods and services, and in the organization of human activities.
How speedup laptop given below tips:
upgrading your RAM
switch to SSD
CCleaner
Windows ReadyBoost
hard disk defragmentation
disabling Start-up Programs
using alternative programs
turning off animations
switch your OS to Linux
In PHP there is no need to specify data type for variable declaration. Rather, it can be determined at the time of execution depends on the value of the variable. So that, PHP is called as loosely typed language.