Answer:
Explanation:
A null pointer is pointing to nothing, if we can detect if a pointer is null, we can use an "IF" because a null pointer always going to be false, a null pointer even can block an application, because is a result of undefined behavior, it can even cause problems because the compiler can’t tell whether we mean a null pointer or the integer 0, there is a confusion in this kind of pointers.
Answer:
You can select non contiguous cells by holding down the Ctrl key as you select, with the mouse.
Today personal computer is changed to laptop mode. Personal computer is made of CPU, monitor, keyboard, printer and mouse. All input device and output device connected with wire or without wire.
<u>Explanation:</u>
Personal computers are also called as desktop or workstation. These days all become compatible device which is called as laptop.
Basically all input devices and output device are fixed in laptop so end user can carry the laptop and used anywhere.
Laptop is charged and used, whereas desktop or workstation just fixed in the table and used it.
Answer:
A- Application Service Provider
Explanation:
An application service provider (ASP) is someone that render computer service to his/ her customers or clients over a network by delivering software applications.
It also give access to an application, by charging a usage or subscription fee over the internet.
Answer:
control processes.
Explanation:
Mechanisms that combine memory, processing speed, and knowledge to regulate the analysis and flow of information within the information-processing system are referred to as executive/control processes.
