DECtape
E805861
DECtape was a durable, random-access magnetic tape storage medium widely used on early Digital Equipment Corporation minicomputers for both data and program storage.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
computer storage device
ⓘ
magnetic tape data storage medium ⓘ |
| accessMode |
bidirectional
ⓘ
read ⓘ write ⓘ |
| alsoKnownAs |
DEC tape
NERFINISHED
ⓘ
Digital Equipment Corporation tape NERFINISHED ⓘ TU55 NERFINISHED ⓘ TU56 ⓘ |
| basedOn | LINCtape design ⓘ |
| blockSize | 128-word blocks on many systems ⓘ |
| characteristic |
could be used as system disk substitute
ⓘ
high durability ⓘ random block access similar to disk ⓘ |
| dataEncoding | block-structured ⓘ |
| designedFor | minicomputer ⓘ |
| era |
1960s
ⓘ
1970s ⓘ |
| interfaceDevice |
TU55 DECtape drive
NERFINISHED
ⓘ
TU56 DECtape drive NERFINISHED ⓘ |
| manufacturer | Digital Equipment Corporation NERFINISHED ⓘ |
| medium | oxide-coated Mylar tape ⓘ |
| notableProperty |
addressable by block number
ⓘ
could withstand repeated rewrites without failure ⓘ |
| predecessor | LINCtape NERFINISHED ⓘ |
| primaryUse |
data storage
ⓘ
operating system storage ⓘ program storage ⓘ |
| storageType |
magnetic tape
ⓘ
random-access ⓘ |
| successor |
DECtape II
NERFINISHED
ⓘ
disk drives on later DEC systems ⓘ |
| trackCount | 10-track tape ⓘ |
| typicalCapacity | approximately 184 kilobytes per tape ⓘ |
| usedFor |
software development on DEC minicomputers
ⓘ
system backup on early DEC systems ⓘ |
| usedOn |
PDP-10
NERFINISHED
ⓘ
PDP-11 NERFINISHED ⓘ PDP-12 NERFINISHED ⓘ PDP-15 NERFINISHED ⓘ PDP-4 NERFINISHED ⓘ PDP-5 NERFINISHED ⓘ PDP-6 NERFINISHED ⓘ PDP-7 NERFINISHED ⓘ PDP-8 NERFINISHED ⓘ PDP-9 NERFINISHED ⓘ |
| wordSizeSupport |
12-bit systems
ⓘ
18-bit systems ⓘ 36-bit systems ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.