To find out how much memory is available, you could type _____ A. EMM B. MEM C. CHKDSK D. MEMMAKER E. None of the above

EMM
MEM
CHKDSK
MEMMAKER E. None of the above

The correct answer is B. MEM.

MEM is a command-line utility that displays information about the amount of physical and virtual memory available on a computer. It can also be used to configure memory usage.

EMM is a memory manager that was used in MS-DOS to expand the amount of available memory. It is no longer necessary in modern operating systems.

CHKDSK is a command-line utility that checks the integrity of a disk and can also be used to fix errors. It does not provide information about memory usage.

MEMMAKER is a memory management utility that was used in MS-DOS to optimize memory usage. It is no longer necessary in modern operating systems.

None of the above is the correct answer.