Computer Hardware | MCQs

Explanation

A power supply unit  converts mains AC to low-voltage regulated DC power for the internal components of a computer.

Modern personal computers universally use switched-mode power supplies.

Explanation

Note: "A" or "AN" are used to mention the category of a person or thing.

Explanation

A CD-ROM (Compact Disc, read-only-memory) is an optical disc which is designed to store computer data in the form of text or graphics or software data.

A normal CD-ROM usually can store up to data is 680 MB.

Explanation

The Input Unit converts the data, which the user enters into a language which the computer understands, i.e. it converts the data into binary format.

Explanation

ROM is a kind of memory that is both static and non volatile

ROM stands for Read Only Memory

Explanation

A port is a virtual point where network connections start and end.

A ports is software-based and managed by a computer's operating system.

Explanation

Data path part of a processor contains hardware necessary to perform all the operations required by a computer.

پروسیسر کے ڈیٹا پاتھ حصے میں کمپیوٹر کے لیے درکار تمام آپریشنز کو انجام دینے کے لیے ضروری ہارڈ ویئر ہوتا ہے۔

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Explanation

A firewall is a network security device that monitors and either blocks or allows traffic based on a set of rules.

Explanation

Read-only memory is a type of non-volatile memory used in computers and other electronic devices.

Data stored in ROM cannot be electronically modified after the manufacture of the memory device.

Explanation

There are two types of storage devices used with computers: a primary storage device, such as RAM, and a secondary storage device, such as a hard drive.