computer class 9
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5) • Random Access Memory (RAM) is used to store the programs and data being used by the CPU in real-time. The data on the random access memory can be read, written, and erased any number of times. RAM is a hardware element where the data being currently used is stored. It is a volatile memory.
• Read Only Memory (ROM) is a type of memory where the data has been prerecorded. Data stored in ROM is retained even after the computer is turned off ie, non-volatile.
6) Cell references are often used when creating Excel worksheets and writing formulas. This lesson will discuss the different types of cell references, such as absolute and relative. We will also look at examples of each one.
7). Select a shape.
Resize the shape as follows:
To resize a 2-dimensional (2-D) shape, such as a rectangle, drag a selection handle (a small square or circle, depending on the version of Visio that you're using) until the shape is the size you want. To resize the shape proportionally, drag a corner handle.
Tip: Each 2-D shape has 8 selection handles. If you can't see all 8 of them, zoom in until they appear so you can resize the shape more accurately. (Press Ctrl+Shift and click to zoom in. Press Ctrl+Shift and right-click to zoom out.)
To resize a 1-dimensional (1-D) shape, such as a line, drag an endpoint to the length you want.
To resize a shape by typing a value, on the View tab, select Task Panes > Size & Position, and then in the Size & Position window, type new values in the Width, Height, or Length boxes.