Free Computer Fundamentals MCQs with Answers

141. The output received on the display screen or in the audio or video form is called________?

• A. Hard Copy
• B. Soft Copy
• C. Light copy
• D. None of these

Explanation: Information displayed on a monitor or produced as audio or video is a soft copy because it is presented electronically rather than permanently printed. A printed result is a hard copy.

142. All the output which is Printed on a paper is called_________?

• A. Soft Copy
• B. Hard Copy
• C. Both A & B
• D. None of these

Explanation: Printed output is called a hard copy because it exists as a physical, durable paper record. Soft copy refers to electronic output viewed or played on a device.

143. A(n)___________system is a set of Programs containing instructions that coordinate all the activities among computer hardware resources?

• A. Operating
• B. Disk- Based
• C. Management
• D. Plateform

Explanation: An operating system is a collection of programs that manages hardware resources and coordinates activities between hardware and application software. The other terms do not name this essential system software.

144. __________is a process of encoding data and information into an unreadable form?

• A. Encryption
• B. Formatting
• C. Transmission
• D. Spooling

Explanation: Encryption converts readable data, called plaintext, into an unreadable form called ciphertext so unauthorised users cannot understand it. Formatting prepares storage media, while transmission only means sending data.

145. 8 Bits make up a_________?

• A. Byte
• B. Megabyte
• C. Kilobyte
• D. None

Explanation: A byte is the standard unit formed by 8 bits. Kilobytes and megabytes are larger units made up of many bytes.

146. When you press the _____ key by itself, it opens and closes the Start menu?

• A. Ctrl
• B. Shift
• C. Alt
• D. Window
• E. None

Explanation: Pressing the Windows key alone toggles the Start menu open or closed. Ctrl, Shift, and Alt are modifier keys and do not perform this action by themselves.

147. Window key + Shift + M

• A. Minimize all applications
• B. Utility Manager
• C. Un-Minimize all applications
• D. Show system properties

Explanation: Windows key plus Shift plus M restores the windows that were minimised with Windows key plus M. It is therefore the reverse of minimising all applications.

148. Window key + Ctrl + F

• A. Find Computers
• B. Find files or folders
• C. Show Desktop (toggle)
• D. Run

Explanation: In Windows shortcut terminology, Windows key plus Ctrl plus F opens the Find Computers search. Windows key plus F searches for files and folders instead.

149. Window key + L

• A. Windows Explorer
• B. Help
• C. Show Desktop (toggle)
• D. Lock Desktop

Explanation: Windows key plus L locks the computer or desktop, requiring sign-in to resume the session. Windows Explorer is opened with Windows key plus E.

150. Window key + F

• A. Show system properties
• B. Find Computers
• C. Find files or folders
• D. Run

Explanation: Windows key plus F opens the search facility for finding files and folders. The separate Windows key plus Ctrl plus F shortcut searches for computers on a network.