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PROGRAMMI NG AND NUMER I CAL SYSTEM

Dans le document PROGRAMMING AND NUMERICAL SYSTEM (Page 64-69)

Manufacturer

Internal number system Biquinary coded decimal Decimal digits/word 10 plus sign

Decimal digits/instruction 10 (sign not used)

Instructions/word 1

Instructions decoded 53

Arithmetic system Fixed point

Instruction type One and a half address One address is the operand - the half address refers to the address of next instruction to be executed. Next instruction is the (c) portion of the instruction.

Number range -9999999999 to +9999999999 Instruction word format

Instruction (m) Address (c) Address Code

r T T T I I I

(m) Address is address of operand

(c) Address is the address of the next instruction to be executed

HIGH-SPEED CARD READER

READ-PUNCH UNIT

SCALE v." = l'

Photo by Remington Rand Univac

A sizable number of pre coded routines are supplied to Solid Stated Computer users. Approximate 58 rou-tines available for 80 column tape system, and 62 available for 90 column tape system.

Automatic coding includes an x-6 assembly available for card and tape system.

Registers and B-boxes

3 - 10 digit arithmetic registers are included in the design.

3 - index registers (4 digits each) are optionally available.

ARITHMETIC UNIT

Manufacturer

Incl Stor Access Exclud Stor Access Microsec

Add l,360

Mult l,275

Div l,275

Microsec 85 Multiply time calculation - 5 word time plus no.

of multiplier digits plus sum of these digits (min.

119 microsecond~ max. 1,785 microseconds).

Central Processor and High-Speed Reader

Divide time - 5 word time plus 2 times number of digits in quotient plus the sum of the odd. digit positions in the quotient plus the sum of the tens complement of the even digit-positions in the quo-tient. 425 microseconds min., 1955 microsec. max.

Average access time is used in above table. Oper-ands and results are assumed stored in high speed access portion of the drum. Word time is 17 micro-seconds.

Construction (Arithmetic unit only) Vacuum tubes

Transistors Condenser-Diodes

Magnetic Amplifiers (Ferractors) Arithmetic mode Serial by digit

Parallel by bit

Timing Synchronous

Operation Concurrent

20 700 23,000 3,000

The "Including Storage Access" add, multiply, and divide times include the time necessary for accessing the two operands and the result address.

Photo by Mason & Hanger-Silas Mason & Co., Inc.

STORAGE

Manufacturer

No. of No. of Access

Media Words Digits

Drum 4,000 40,000

Drum 1,000 10,000

Drum Mass Memory 2,304,000 over 24,000,000

Microsec 1,700 (avg)

425 (avg) 385 (per unit) plus signs incl signs

Up to 10 drum units are possible.

Magnet ic Tape

No. of units that can be connected 10 Units No. of chars/linear inch of tape 250 Char/inch Channels or tracks (8 incl sprocket) 7 Tracks/tape Blank tape separating each record 1.05 Inches

Tape speed 100 Inches/sec

Transfer rate 25,000 Char/sec

Start time 12 Millisec

Stop time 9 Millisec

Average time for experienced

operator to change reel of tape 30 Seconds

Physical properties of tape

Width 0.5015+0.0000-0.0030 Inches

Length of reel 2,500 Feet

(Recording surface)

Composition Mylar

All users have the 5,000 word drum. Standardized system comparison for formula [ (A+B)·C l/D ~ Memory requires 1.19 milliseconds.

INPUT

Manuf'acturer

Media Speed

High Speed Card Reader 450 cards/min Read-Punch Card Unit 150 cards/min Magnetic Tape 100 inches/sec

No plugboard is used. 80 or 90 column card units are available. Tape densities and formats are com-patible with other Univac tape systems.

USA CCBL Read Punch Unit High Speed Reader

ASTIA

150 cards/min 450 cards/min Punched Cards (90 col.) 450 cardS/min Punched Cards 150 cardS/min

Punch unit also has capability to read as well as punch.

Photo by Armed Services Technical Information Agency Champlin

Media

Punched Cards (80 col.) Cook

High Speed Reader Read-Punch Unit

Douglas Read-Punch

Mason

Speed 450 cards/min

450 cardS/min (90 col/card) 150 cards/min (90 col/card) 150 cards/min

Read-Punch Unit 150 cards/min High Speed Reader 450 cards/min

Above units are buffered to the system and can be utilized singularly or together.

Shell

Cards (80 column) 450 cards/min

OUTPUT

Manufacturer

Media Speed

Read-Punch Card Unit 150 cardS/min Magnetic Tape 100 inChes/sec High Speed Printer 600 lineS/min Card Punching Printer 150 cards/min

Printer prints 130 char/line. Card Punching Printer prints on both sides of Tab Card - a maximum of 13 lines on a side. Instantaneous printing rate is 900

High Speed Printer lines/minute.

USA CCBL Media Read Punch Unit High. Speed Printer

ASTIA

Speed 150 cards/min 600 lines/min Punched Cards (90 col.) 150 cards/min

Printer 600 lines/min

Punch unit also has capability to read as well as punch.

Champlin Printer

Punched Cards (80 col.) Cook

Read-Punch Unit High Speed Printer

Douglas Printer

Mason

600 lines/min 150 lines/min

150 cards/min (90 col/card) 600 lines/min (130 dig/line) 600 lines/min

High Speed Printer 600 lines/min Read-Punch Unit 150 cards/min

Above units can be used singularly or together.

Utilization of punch with printer will slow speed considerable, dependent on punching requirements.

130 sectors of printing.

Photo by Mason & Hangar - Silas Mason Co., Inc.

Shell

Media Speed

Cards 150 cards/min

Line Printer 600 lines/min 80 column cards are used.

C I RCU IT ELEMENTS OF ENTI RE SYSTEM

Manufacturer

'we Quantity

Tubes 20 Processor

Read-Punch Reader 144 Printer

Diodes

22 29 23,000 215 550 545 500 11,900 10 36,505

Synchronizer Servo Processor Read-Punch Reader Printer Synchronizer Servo

Read-Punch Unit

Type Quantity

Transistors 700 12 37 2 168 919

Processor Read-Punch Reader Printer Synchronizer Servo

CHECKI NG FEATURES

Manuf'acturer

Odd parity, overflow, complete tape read checks.

Two read stations in card equipment. Logical checks

Photo by Mason & Hangar - Silas Mason Co., Inc.

in central processor and printer.

POWER, SPACE, WEIGHT, AND SITE PREPARATION

Manufacturer Power, computer Area, computer

CapaCity, air condition Weight, computer system

48.2 KVA 925 sq ft 11.8 Tons

0.8 pf 12,027 lbs, total, incl

? magnetic tape units Cable duct work is supplied with computer, if de-sired. No special flooring is required. Power includes printer, punch, reader and 10 servos.

UNIVAC SOLID STATE

USA CCBL conditioner is in addition to building air condition-er.

Building - Temporary government s~ructure.

Floor - Raised in area where data processing rooms. Space providet.. also includes space required for four tape units and tape synchronizer to be Power, air conditioner Volume, computer Volume, air conditioner Area, computer

Area, air conditioner Room size, computer cables. Exhaust-diffusers installed in ceiling for heat dissipation/air conditioning. Power is single phase, 3-wire, 240 volt system.

No site preparations required except to electrical distribution. Building is brick construction with concrete and asphalt flooring. Two single phase 210 volt regulators were installed for power require-ment control.

Number in current operation Number on order 1 Magnetic Tape Synchronizer 50,000 2 Magnetic Tape Unit (ea 20,000/450) 40,000

Central processor cost $234,587.87.

Read Punch Unit, High Speed Reader, High Speed Printer rents for $2, 265/monthly.

Maintenance service contracting is $13,000/year.

Dans le document PROGRAMMING AND NUMERICAL SYSTEM (Page 64-69)

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