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The disk controller can read in blocks, but the smallest unit that the OS can allocate to a single file is a group of blocks - called a cluster. Most disks are low-level formatted at 512 bytes per block. When you format a drive in a modern Windows or Linux OS, you have some control over the cluster size. It can be as little as 512 bytes or a much larger even multiple of that. You may create a file that contains a single character (1-byte), but that byte must be written at the minimum cluster size to the disk.

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Q: The smallest unit of data that can be read from or written to a disk at one time is referred to as a?
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Related questions

What is the name of the smallest unit of data that is read to or written from disk?

sector


What unit is the smallest unit of disk space that stores data and information?

It all depends on how your disk is formatted.


What is a disk with data scattered and empty locations where files have been deleted?

A disk with data scattered throughout it (as a result of erasing and adding data in the computer) is referred to as being fragmented.


Data is written to the disk as?

in the form of 0s nd 1s


In an online database system when is data written to disk?

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The smallest addressable unit of storage on a disk is called a?

The smallest addressable unit of storage on a disk is called a sector.


Data is written to and read from a floppy disk via a magnetic?

Read/write pad


Can you burn something to a disk that is already installed?

We can burn a disk when it is an re-writable disk even though it has data in it.But when it is an ordinary disk i.e., if it is an only writable disk with data in it,we cannot burn the disk with another data.


Data is written to the tracks of a floppy disk as bits?

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What does hard disk stand for?

It doesn't stand for anything. It's a component/s inside your Hard Disk Drive (HDD). When you save data or install programs on your computer, the information is typically written to your Hard Disk. The Hard Disk is a spindle of magnetic disks called platters. The Hard Disk is housed inside the Hard Drive, which reads and writes data to the disk.


When accessing a disk the amount of data transferred is?

If you are using the word "assessing" to read a disk then the amount of data you can transfer to the disk (write) is the remaining available free space on the disk. On the other side of the coin, the amount of data to can extract (cut) is the amount of data that is stored on the disk.


What are the functions of a hard disk?

A hard disk acts as a storage device for data. Data is also retrieved from the hard disk. The data that is kept in the hard disk is not erased even when the computer is switched off.