CBSE Class 3 Computer Tricky Terms Worksheet

(Learn Tricky terms, Memory bytes and all Exercises from L-2, 3)

I. Fill in the blanks:

1) Keyboard is an ___________________ device.

2) Delete, Backspace, Enter are examples of _________________________ keys.

3) Arrow keys are also known as__________________________________________.

4) Number keys on right- hand side is known as _____________________________.

5) We use ________________ key to erase anything on the right side of the cursor.

6) We use _______________ key to erase anything on the left side of the cursor.

7) _______________________ is a collection of computer programs that perform some tasks on a computer system.

8) ____________________________________________ is a popular operating system.

9) __________________________ is used to store a group of files.

10) Start menu is divided into _____________________ and _____________________ .

II. Match the following:

1) To type capital letters            26 ( )

2) LINUX                                  Single –user OS ( )

3) Windows 98                         Caps lock ( )

4) Function keys                       Multi –user OS ( )

5) Alphabet keys                       12 ( )

III. State whether True or False:

1) We can change the position of task bar _________

2) Start button is placed at the right of the taskbar. _________

3) Multi-user OS are used at homes. __________

4) The letters on the keyboard are arranged in A-Z alphabetical order