The Size of a Computerʹs Memory Is Measured by the Number

question 560

Multiple Choice

The size of a computerʹs memory is measured by the number of bytes that it can store. The following table lists the
number of bytes in commonly used storage units. $$\begin{array} { l | l } 1 \text { kilobyte } ( \mathrm { KB } ) & 2 ^ { 10 } \text { bytes } \\\hline \text { 1 megabyte (MB) } & 2 ^ { 20 } \text { bytes } \\\hline 1 \text { gigabyte (GB) } & 2 ^ { 30 } \text { bytes } \\\hline 1 \text { terabyte (TB) } & 2 ^ { 40 } \text { bytes }\end{array}$$ Calculate the number of bytes in the following.
-2 megabytes

• A) 2,097,152
• B) 2048
• C) 2000
• D) 2,000,000

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Definitions:

Percent Format

A numeric format in spreadsheets or databases that displays values as a percentage, multiplying the actual number by 100 and adding a percent sign.

Field Size

Specifies the maximum amount of data storage allocated for a particular field in a database table.

Table Datasheet

A view that displays database tables in rows and columns, similar to a spreadsheet.

Default Value

A predefined value automatically assigned to a field or parameter if no other value is provided by the user.