use of Print Screen SysRq key

Use of Print Screen SysRq key It is a key located on a keyboard before "Scroll Lock key"  How to use:we can use this key to capture the screen by just clicking on the button and then just need to apply "paste command " or"ctrl +v". sometime you have seen some books in which all steps...

shortcut to open Different application of Ms-office with Run Command

Shortcut to open Different applications of Ms-office with Run Command press window key with R or go to start menu and select RUN option from right hand side . you will see a run command dialog box type there then you can press ok,cancel or browse Ms-Word : Type winword in the...

Parts of C.P.U

Parts of C.P.U C.P.U  is Central Processing Unit, It has 3 man parts: ALU(Arithmetic and Logic Unit): This unit carries out all mathematical and logical operations. CU(Control Unit): This unit controls the transfer of information form one part of the C.P.U to the other. MU(Memory...

Why we say Centrally processing unit not controlling unit to C.P.U???

Why we say Centrally processing unit not controlling unit to C.P.U??? C.P.U: The full form of C.P.U is Central Processing Unit not Control Processing Unit although we all know that the C.P.U is the brain of the computer.This is where the computer does all its Processing work.It is...

Selecting text with the Keyboard

Selecting text with the Keyboard One word: Place the cursor at one end of the word.Then press Shift, and move the cursor with the help of the arrow keys to the other end of the word. More than one word: Similar to selecting one word. More than one line: After selecting one line, keep...

Selecting text with the Mouse

Selecting text with the Mouse One Word: Double-click on the word. More than one word: Click and drag the mouse till the end of the text. More than one line: Click and drag the mouse up or down. Paragraph: Triple-Click on the first word of the paragraph. Selecting a range: Place the cursor...

Keyboard

Keyboard Computer receives most of its input from the user via keyboard that is very similar to a typewriter. Keys: Backspace Key: Deletes the character just to the left of the cursor and moves the cursor to that position. Delete Key: Deletes the character at the...