A keypunch is a device for precisely punching holes into stiff paper cards at specific locations as determined by keys struck by a human operator. Other devices included here for that same function include the gang punch, the pantograph punch, and the stamp.

keypunch，英语单词，主要用作名词、动词，作名词时译为“键控打孔机”，作动词时译为“用键控打孔机打孔；通过按键将（数据）输入计算机”。

2012年8月5日 · Learn how to play Key Punch, a group game that promotes communication and critical thinking. And we think it's pretty fun. It's a go-to for our Child Life Specialists at C.S. Mott Children's...

2020年5月23日 · This late 1960s educational color film (#14-677) provides an operational overview for programming the key punch on the IBM 029 Key Punch machine, which was introduced in 1964. It is one of a seven-part series produced by Moreland-Latchford and distributed by Sterling Educational Films.

A punch-card data entry machine. A deck of blank cards was placed into a hopper, and, upon operator command, the machine fed one card to a punch station.

Make a 4×6 (approx.) rectangle with tape or chalk. Place the 25 numbered plates randomly inside. Divide group into teams (groups of 5-7 work best). Each group has to touch the plates in order from 1-25 as fast as they can. The coach will keep track of the total time of each attempt.

2-in-1 Cigar Punch Tool Set with Cigar Hole Opener(9mm) and Twin Nubber, Portable Rotary Punch with Key Chain Ring (Grey)

A key punch is a device for entering data into punched cards by precisely punching holes at locations designated by the keys struck by the operator. Early keypunches were manual devices.

This HPC Punch is completely portable, no electricity needed, so you can take it wherever the job takes you! The pinpoint needle precision ensures every key is very accurate, every time! 1200PCH comes complete with 104 code cards and 3 punch & die sets, ready to go right out of the box, there is nothing more for you to buy but blanks!

The Yale Blue Punch key machine is a dedicated key punch machine designed to provide factory original keys at the speed of a duplicator. The Blue Punch is fast, extremely accurate, and easy to use. The key machine is set up at the factory to provide automatic spacing and depth.