NL136145C - - Google Patents

Info

Publication number
NL136145C
NL136145C NL136145DA NL136145C NL 136145 C NL136145 C NL 136145C NL 136145D A NL136145D A NL 136145DA NL 136145 C NL136145 C NL 136145C
Authority
NL
Netherlands
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of NL136145C publication Critical patent/NL136145C/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/50—Adding; Subtracting
    • G06F7/504—Adding; Subtracting in bit-serial fashion, i.e. having a single digit-handling circuit treating all denominations after each other
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/76—Architectures of general purpose stored program computers
    • G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
    • G06F2207/3804—Details
    • G06F2207/3808—Details concerning the type of numbers or the way they are handled
    • G06F2207/3812—Devices capable of handling different types of numbers
    • G06F2207/3816—Accepting numbers of variable word length
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49905—Exception handling
    • G06F7/4991—Overflow or underflow
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49942—Significance control
    • G06F7/49947—Rounding

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • Computer Hardware Design (AREA)
  • Logic Circuits (AREA)
  • Executing Machine-Instructions (AREA)
NL136145D 1955-01-24 NL136145C (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2037/56A GB826614A (en) 1955-01-24 1955-01-24 Improvements in or relating to electronic digital computers

Publications (1)

Publication Number Publication Date
NL136145C true NL136145C (zh)

Family

ID=9732498

Family Applications (2)

Application Number Title Priority Date Filing Date
NL203878D NL203878A (zh) 1955-01-24
NL136145D NL136145C (zh) 1955-01-24

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL203878D NL203878A (zh) 1955-01-24

Country Status (4)

Country Link
US (1) US3017090A (zh)
FR (1) FR1144749A (zh)
GB (1) GB826614A (zh)
NL (2) NL136145C (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3752393A (en) * 1971-08-02 1973-08-14 Teledyne Ind Digital flow calculator
US4282581A (en) * 1979-10-15 1981-08-04 Sperry Corporation Automatic overflow/imminent overflow detector
JPS5674774A (en) * 1979-11-22 1981-06-20 Nec Corp Arithmetic circuit with overflow detector
US4429370A (en) 1981-04-23 1984-01-31 Data General Corporation Arithmetic unit for use in a data processing system for computing exponent results and detecting overflow and underflow conditions thereof
US5038314A (en) * 1989-11-17 1991-08-06 Digital Equipment Corporation Method and apparatus for correction of underflow and overflow
CN109240699B (zh) * 2018-04-13 2022-01-04 广州中国科学院软件应用技术研究所 一种减少细粒度随机化安全优化带来的寄存器溢出方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749037A (en) * 1950-04-21 1956-06-05 George R Stibitz Electronic computer for multiplication
BE503357A (zh) * 1950-05-18
US2781446A (en) * 1952-03-28 1957-02-12 Sperry Rand Corp Pulse cycling circuit
FR1084147A (zh) * 1952-03-31 1955-01-17
BE526058A (zh) * 1952-12-10
GB731733A (en) * 1953-02-11 1955-06-15 Nat Res Dev Electrical digital computing engines

Also Published As

Publication number Publication date
US3017090A (en) 1962-01-16
GB826614A (en) 1960-01-13
FR1144749A (fr) 1957-10-17
NL203878A (zh)

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