Explanation

The CPU performs basic arithmetic, logic, controlling, and

input/output (I/O) operations specified by the instructions in the program.

Explanation

سکینرایک ہلکا حساس آلہ جو ڈرائنگ، پرنٹ شدہ متن یا دیگر تصاویر کو ڈیجیٹل شکل میں تبدیل کرتا ہے

Explanation

The term ‘Computer’ is derived from the Latin word “computare”

which means to “to calculate”, “to count”, “to sum up” or “to think together”.

So, more precisely the word computer means a “device that performs computation“.

Explanation

Under the drop down where it says Choose commands from, select All Commands.

Select Help from the list of commands to add to the Quick Access Toolbar.

When you're done, click OK.

Explanation

Switches to another user account on the computer without closing your open programs and Windows processes.

Explanation

Explanation

Explanation

The Atanasoff–Berry computer was the first automatic electronic digital computer.

Limited by the technology of the day, and execution, the device has remained somewhat obscure.

Explanation

PISCES stand for Personal Identification Secure Comparison & Evaluation System”

Explanation

Three types of bus are used.

Address bus: carries memory addresses from the processor to other components such as primary storage and input/output devices. 

Data bus : carries the data between the processor and other components.

Control bus: carries control signals from the processor to other components.