1. An apparatus for executing a multi-clipboard, the apparatus comprising: a basic clipboard and a multi-clipboard in which data is stored by implementing a copy or cut operation, wherein latest copied or cut data is stored in the basic clipboard, and other data stored in the basic clipboard prior to said latest copied or cut data being stored in the basic clipboard is automatically stored in the multi-clipboard in response to said latest copied or cut data being stored in the basic clipboard; a timer which counts an amount of time after a paste menu is activated; a basic clipboard executing unit which pastes the data stored in the basic clipboard if the paste menu is selected before the amount of time counted by the timer is greater than a predetermined amount of time; and a multi-clipboard executing unit which displays the data, including a plurality of items, stored in the multi-clipboard on an output unit when the amount of time counted by the timer reaches the predetermined amount of time, wherein, if a user input indicating a user's selection of one item of the plurality of items included in the displayed data is received, the multi-clipboard executing unit pastes the selected item of the displayed data.