GB2018477B - Memory protection - Google Patents

Memory protection

Info

Publication number
GB2018477B
GB2018477B GB7909981A GB7909981A GB2018477B GB 2018477 B GB2018477 B GB 2018477B GB 7909981 A GB7909981 A GB 7909981A GB 7909981 A GB7909981 A GB 7909981A GB 2018477 B GB2018477 B GB 2018477B
Authority
GB
United Kingdom
Prior art keywords
memory protection
memory
protection
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB7909981A
Other versions
GB2018477A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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.)
Filing date
Publication date
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB7909981A priority Critical patent/GB2018477B/en
Publication of GB2018477A publication Critical patent/GB2018477A/en
Application granted granted Critical
Publication of GB2018477B publication Critical patent/GB2018477B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
    • G06F12/1425—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
GB7909981A 1978-04-07 1979-03-21 Memory protection Expired GB2018477B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7909981A GB2018477B (en) 1978-04-07 1979-03-21 Memory protection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1363878 1978-04-07
GB7909981A GB2018477B (en) 1978-04-07 1979-03-21 Memory protection

Publications (2)

Publication Number Publication Date
GB2018477A GB2018477A (en) 1979-10-17
GB2018477B true GB2018477B (en) 1982-10-13

Family

ID=26249892

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7909981A Expired GB2018477B (en) 1978-04-07 1979-03-21 Memory protection

Country Status (1)

Country Link
GB (1) GB2018477B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8203844A (en) * 1982-10-04 1984-05-01 Philips Nv Integrated, brick-built sorter for data words and integrated, data-processing processor equipped with such a integrated sorter.
JPS60242579A (en) * 1984-05-16 1985-12-02 Hitachi Ltd Control method of magnetic bubble memory device
FR2661532A1 (en) * 1990-04-26 1991-10-31 Sgs Thomson Microelectronics Memory with wordwise protected access

Also Published As

Publication number Publication date
GB2018477A (en) 1979-10-17

Similar Documents

Publication Publication Date Title
JPS558696A (en) Nonnvolatile memory
GB2070821B (en) Memory protection
JPS5552274A (en) Nonnvolatile memory
JPS54124941A (en) Memory system
GB2037521B (en) Memory device
JPS5525895A (en) Memory system
JPS5516591A (en) Special effect memory
JPS5589968A (en) Memory system
JPS54132136A (en) Memory system
GB2016758B (en) Checking memories
JPS54142925A (en) Memory
DE2967586D1 (en) Row-column-addressable memory with serial-parallel-serial configuration
GB2014767B (en) Memory devices
JPS567292A (en) Dsemiconductor memory
JPS5683884A (en) Multiiaccess memory
JPS5513494A (en) Invasion alarmer
JPS5549678A (en) Temperatureemaintaining case
JPS5577087A (en) Memory unit
DE2964922D1 (en) Line-addressable memory with serial-parallel-serial configuration
JPS5693180A (en) Memory
JPS567293A (en) Memory
GB2018477B (en) Memory protection
GB2056132B (en) Memory system
JPS54150593A (en) Xxray protector
JPS54163632A (en) Space memory system

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee