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HOW DID IT WORK?: HOW DOES IT COMPARE?
UNIVAC I (UNIVersal Automatic Computer)
Made by the Eckert-Mauchly Division of
Remington Rand.
| SPEED
|
Overall
Speed: |
525 microseconds
|
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Memory fetch
time: |
400 microseconds
|
| DESIGN
|
Architecture:
|
Serial,
stored program, 2.25 Mhz cycle time |
|
|
Instruction
set: |
1 address,
45 instructions |
|
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Word Length:
|
11 + 1 sign
bit |
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Software:
|
“Short
Code” (1950) compiler by John Mauchly
“A-O” (1951) compiler by Grace Hopper |
| MEMORY
|
Primary
memory: |
1,000 words
of mercury delay line memory |
|
|
Secondary
memory: |
Uniservo tape drives (1 million characters on
1200 feet of 1/2” tape)
|
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Input and
Output: |
Unityper, Uniprinter, Magnetic tape, Paper tape |
| DIMENSIONS
|
Size:
|
952 cubic
feet |
|
|
Weight:
|
29,853 lbs
|
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Cost:
|
$932,000 |
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Power consumption:
|
81 kilowatts
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