The memory sizes in mainframe computers and advanced technology micro computers are expressed as

Bytes
Kilo-bytes
Bits
Megabytes E. None of the above

The correct answer is D. Megabytes.

A byte is a unit of information that is made up of eight bits. A bit is the smallest unit of information that can be stored or transmitted in a computer. A kilobyte is equal to 1,024 bytes. A megabyte is equal to 1,024 kilobytes.

Mainframe computers and advanced technology micro computers typically have large amounts of memory. This memory is often expressed in megabytes. For example, a mainframe computer might have 16 megabytes of memory, while an advanced technology micro computer might have 64 megabytes of memory.

Here is a brief explanation of each option:

  • A. Bytes. A byte is a unit of information that is made up of eight bits. A bit is the smallest unit of information that can be stored or transmitted in a computer.
  • B. Kilo-bytes. A kilobyte is equal to 1,024 bytes.
  • C. Bits. A bit is the smallest unit of information that can be stored or transmitted in a computer.
  • E. None of the above. This option is not correct because the memory sizes in mainframe computers and advanced technology micro computers are expressed in megabytes.
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