HTML Unordered List

The HTML <ol> element defines a Ordered List.
Example
  1. Types of Computer
    1. Hardware
      1. Input Device
      2. Output Device
      3. Processing Device
        1. CPU
          1. SMPS
          2. Mother Board
            1. RAM Slot
            2. PCI Card Slot
            3. ROM
          3. CPU Fan & Micro Processor
          4. RAM
          5. Hard Disk
    2. Software
    3. Firmware
    4. User
<ol>
	<li>Types of Computer
		<ol type='A'>
			<li>Hardware
				<ol type='a'>
					<li>Input Device</li>
					<li>Output Device</li>
					<li>Processing Device
						<ol type='I'>
							<li>CPU
								<ol type='i'>
									<li>SMPS</li>
									<li>Mother Board
										<ol type='1'>
											<li>RAM Slot</li>
											<li>PCI Card Slot</li>
											<li>ROM</li>
										</ol>
									</li>
									<li>CPU Fan & Micro Processor</li>
									<li>RAM</li>
									<li>Hard Disk</li>
								</ol>
							</li>
						</ol>
					</li>
				</ol>
			</li>
			<li>Software</li>
			<li>Firmware</li>
			<li>User</li>
		</ol>
	</li>
</ol>