Computer Awareness Questions

The correct answer is Text file.

Key Points

• A text file (sometimes spelled textfile) is a kind of computer file that is structured as a sequence of lines of electronic text.
• A text file exists as data within a computer file system. 
• "Text file" refers to a type of container, while plain text refers to a type of content.

Additional Information

Extension of some other important files:

• Excel file - Xls
• Word file - doc
• Powerpoint file - ppt 
• Open document - Odt

The correct answer is Input, Process, Output, Storage

Key Points

• Input is the act of putting information into a computer.
• That information is now processed in the central processing unit of the computer.
• After the processing is completed, the computer generates the output of that information.
• The output data is now stored in the computer memory.

Additional Information

Some input and output devices of computer:

• Input
  • Keyboard
  • Mouse
  • Scanner 
• Output 
  • Printer 
  • Monitor
  • Plotter

The correct answer is Backspace.

Key Points

• The backspace key is used to delete a word or a line.
• Backspace is the keyboard key that originally pushed the typewriter carriage one position backwards, and in modern computer systems moves the display cursor one position backwards.
• It deletes the character at that position, and shifts back the text after that position by one position.

Additional Information

• The Alt key on a computer keyboard is used to change (alternate) the function of other pressed keys.
• Thus, the Alt key is a modifier key, used in a similar fashion to the Shift key. 
• The shift key is a modifier key on a keyboard, used to type capital letters and another alternate "upper" characters. 
• The Insert key insert (often abbreviated Ins) is a key commonly found on computer keyboards. 

The correct answer is 2.

Key Points

• There are 2 control (Ctrl) keys on the keyboard.
• There are 2 Shift keys on the keyboard.
•  A Control key Ctrl is a modifier key that, when pressed in conjunction with another key, performs a special operation (for example, Ctrl + C ).
• Similar to the Shift key, the Control key rarely performs any function when pressed by itself.

Additional Information

• Longest key in keyboard - Space bar
• There is a total of 104 keys on the standard keyboard.
• Print Screen, Scroll Lock, Pause, Break, Insert, Home, Page Up, Delete, End, and Page down is all examples of control keys.  

The correct answer is Ctrl + Z.

Key Points

• To undo an action press Ctrl+Z.
• If you prefer your mouse, click Undo on the Quick Access Toolbar.
• You can press Undo (or CTRL+Z) repeatedly if you want to undo multiple steps. 
• Undo means to destroy the effect of something that has already happened.

Additional Information

Important Shortcut keys used in MS Word:

• Cut the selected content to the Clipboard - Ctrl+X
• Copy the selected content to the Clipboard - Ctrl+C
• Paste the contents of the Clipboard -Ctrl+V
• Increase the font size by 1 point.- Ctrl+]
• Center the text - Ctrl+E
• Align the text to the left - Ctrl+L