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The basic system comprises a central processor with a six-microsecond core memory, card o r
p e ~ f o r a t e d tape input andoutput, electric typewriter input and output, and an operator's control con-
sole.
The system configuration can readily be expanded to fit increasing information processing
needs. Equipment available includes:
Magnetic core memory
--
4096-, 8192-, o r 16,384-word capacity
Card r e a d e r s
--
400 o r 1000 c a r d s p e r minute
Card punch
--
100 o r 300 c a r d s p e r minute
Perforated tape reader
--
250 o r 1000 characters p e r second
Perforated tape punch
--
110 characters p e r second
Magnetic tape handlers
--
read and write 15,000 characters p e r second (at 200 bits p e r inch)
o r 15,000/41,600 characters p e r second (at 200/555.5 bits p e r inch)
Mass random access data storage (MRADS)
--
18.8 million alphanumeric characters o r up to
34.4 million numeric digits p e r unit
High-speed printers
--
900 alphanumeric lines p e r minute, on line, o r 900 alphanumeric lines
p e r minute, on/off line
Document handler
--
reads and s o r t s 1200 documents p e r minute, on o r off line
Data communication controllers
Floating point arithmetic capability (through the Auxiliary Arithmetic Unit)
An outstanding feature is that up to ten input-output devices may be operated concurrently within the
system, allowing great flexibility in system configuration. Some typical system configurations f o r
various applications a r e shown on the following pages.
Programming aids available for the GE-235 include:
GECOM
--
the general compiler, an all purpose, problem-oriented language program that may
be used with:
COBOL-type statements (specific, simplified English language statements)
ALGOL-type statements (algebraic expressions)
TABSOL (structured decision tables)
GECOM Report Writer (for programming business reports)
FORTRAN
--
a scientific compiler
ZOOM
--
a macroassembly system
WIZ
--
a highly competent, one-pass algebraic compiler
GAP
--
a fast, compact, machine-oriented assembler
I- 2
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