Explanation

Operating System: system software that manages computer hardware & software resources.

Explanation

The link pointer looks like a hand with a pointing finger.

The link pointer will only show up when there is a link to follow.

Explanation

Ctrl+H is used to find and replace text in a file.

Explanation

 Landscape is a horizontal orientation mode used to display wide-screen content, such as a Web page, image, document or text.

Explanation

Table in database must have a primary key.

Explanation

Computer RAM is essentially short term memory where data is stored as the processor needs it.

RAM: Random Access Memory

Explanation

Computer memory is of two basic types.

Primary memory(RAM and ROM) and Secondary memory(hard drive,CD,etc.

Explanation

Source code is the set of instructions written by a programmer using various programming languages. Source Code is generally written in English though it may vary from one computer to another.

Explanation

Explanation

کمپیوٹر ایک برقیاتی آلہ جو حساب کے سوال اور پیچیدہ شماریاتی مسئلے، مقررہ اور پروگرامی ہدایات کے مطابق ،آسانی سے حل کر لیتا ہے.