enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Hole punch - Wikipedia

   en.wikipedia.org/wiki/Hole_punch

   Hole punch. Three different international-standard two-hole punches. A hole punch, also known as hole puncher, or paper puncher, is an office tool that is used to create holes in sheets of paper, often for the purpose of collecting the sheets in a binder or folder (such collected sheets are called loose leaves).

3. Floppy disk - Wikipedia

   en.wikipedia.org/wiki/Floppy_disk

   8-inch floppy disk, inserted in drive, (3½-inch floppy diskette, in front, shown for scale) 3½-inch, high-density floppy diskettes with adhesive labels affixed The first commercial floppy disks, developed in the late 1960s, were 8 inches (203.2 mm) in diameter; [4] [5] they became commercially available in 1971 as a component of IBM products and both drives and disks were then sold ...

4. Cut-out (recording industry) - Wikipedia

   en.wikipedia.org/wiki/Cut-out_(recording_industry)

   Two different ways of marking cut-out records on LP jackets. When LPs were the primary medium for the commercial distribution of sound recordings, manufacturers would cut the corner, punch a hole, or add a notch to the spine of the jacket of unsold records returned from retailers; these "cut-outs" might then be re-sold to record retailers or other sales outlets for sale at a discounted price.

5. Punched tape - Wikipedia

   en.wikipedia.org/wiki/Punched_tape

   Tape for punching was usually 0.00394 inches (0.100 mm) thick. The two most common widths were 11 ⁄ 16 inch (17 mm) for five bit codes, and 1 inch (25 mm) for tapes with six or more bits. Hole spacing was 0.1 inches (2.5 mm) in both directions. Data holes were 0.072 inches (1.8 mm) in diameter; sprocket feed holes were 0.046 inches (1.2 mm). [8]

6. Knockout punch - Wikipedia

   en.wikipedia.org/wiki/Knockout_punch

   A 3/4 inch conduit size punch actually punches a hole that is approximately 1.1 inches diameter for 3/4 nominal size conduit. A dimensional size punch makes a hole very close to the indicated size. Punch sets are available on both imperial and metric sizes. Chassis punches are available in a number of shapes, round being the most common.

7. Chad (paper) - Wikipedia

   en.wikipedia.org/wiki/Chad_(paper)

   Chad (paper) Chads from punched cards. Each chad is about 3 mm (1⁄8 in) long. Chad refers to fragments sometimes created when holes are made in a paper, card or similar synthetic materials, such as computer punched tape or punched cards. The word "chad" has been used both as a mass noun (as in "a pile of chad") and as a countable noun ...