Highlighted notes while studying Concurrent Data Structures:
DDR SDRAM
Source: Wikipedia
Double Data Rate Synchronous Dynamic Random-Access Memory, officially abbreviated as DDR SDRAM, is a double data rate (DDR) synchronous dynamic random-access memory (SDRAM) class of memory integrated circuits used in computers. DDR SDRAM, also retroactively called DDR1 SDRAM, has been superseded by DDR2 SDRAM, DDR3 SDRAM, and DDR4 SDRAM, and soon will be superseded by DDR5 SDRAM. None of its successors are forward or backward compatible with DDR1 SDRAM, meaning DDR2, DDR3, DDR4 and DDR5 memory modules will not work in DDR1-equipped motherboards, and vice versa.
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Highlighted notes while studying Concurrent Data Structures:
DDR SDRAM
Source: Wikipedia
Double Data Rate Synchronous Dynamic Random-Access Memory, officially abbreviated as DDR SDRAM, is a double data rate (DDR) synchronous dynamic random-access memory (SDRAM) class of memory integrated circuits used in computers. DDR SDRAM, also retroactively called DDR1 SDRAM, has been superseded by DDR2 SDRAM, DDR3 SDRAM, and DDR4 SDRAM, and soon will be superseded by DDR5 SDRAM. None of its successors are forward or backward compatible with DDR1 SDRAM, meaning DDR2, DDR3, DDR4 and DDR5 memory modules will not work in DDR1-equipped motherboards, and vice versa.
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Universal Serial Bus (USB) is an industry standard that defines cables, connectors and communication protocols for connection between computers and electronic devices. There are multiple USB standards, including USB 1.0, 2.0, and 3.0. The key USB components are the host controller, hubs, cables and peripheral devices. USB uses a tiered star topology to connect up to 127 devices and supports various transfer types. Descriptors contain device information and reside in non-volatile storage. Wireless USB builds on wired USB to enable wireless connectivity using ultra-wide band technology.
Cours dispensé à l'IUT de l'Indre sur la base des systèmes à microprocesseur
Objectif principal : démystifier le travail du compilateur en analysant le résultat de compilation d'un programme à l'issue de quelques séances de programmation en assembleur IA32.
This is NANO PC based on Raspberry pi latest version.This is basically used for poor people,who cant effort more money to buy computers.
Then you can design your won NANO computer and Do the work whatever you want.
Its same like mini computers
Microcontrôleur PIC 16F Microchip part1/2
vous trouvez ci-joint quelques exemples "basique" avec le code (Mikroc) et le schematic/simulation (Isis Proteus)
https://drive.google.com/file/d/0B6cDeCQ2t8S6ZHB3UGdxUGE1bm8/view?usp=sharing
by : Lamghari Mohammed
Computer memory comes in a memory hierarchy from fastest and smallest to slower and larger. At the top are CPU registers for temporary storage, followed by cache memory for faster access. Main memory (RAM) is volatile storage inside the computer. Secondary storage devices like hard disks and optical disks provide non-volatile storage of large amounts of data. Memory and storage technologies use electrical charges, magnetic fields, or pits and lands on optical media to store binary data representing 0s and 1s.
D’abord le mot informatique est né de la fusion des termes information et automatique. Il est communément utilisé pour indiquer la science de la représentation et traitement de l’information.’. On a des différents types d’informatique : L’informatique scientifique L’informatique de gestion, La téléinformatique, L’informatique industrielle productive Officiellement il y a plus que vingt ans que l’ordinateur personnel est né. On avait dit qu’il n’y aura pas de marché, aujourd’hui il n’y a pas de marché sans ordinateur. Le secteur informatique est devenu un secteur innovant par sa technologie qui évolue au fil de temps et aux besoins humains. L’informatique est un outil indispensable, mais il arrive que l’on affronte souvent des problèmes parmi lesquels on trouve les virus. Et pour cela, nous vous présenterons ce présent exposé
Universal Serial Bus (USB) is an industry standard that defines cables, connectors and communication protocols for connection between computers and electronic devices. There are multiple USB standards, including USB 1.0, 2.0, and 3.0. The key USB components are the host controller, hubs, cables and peripheral devices. USB uses a tiered star topology to connect up to 127 devices and supports various transfer types. Descriptors contain device information and reside in non-volatile storage. Wireless USB builds on wired USB to enable wireless connectivity using ultra-wide band technology.
Cours dispensé à l'IUT de l'Indre sur la base des systèmes à microprocesseur
Objectif principal : démystifier le travail du compilateur en analysant le résultat de compilation d'un programme à l'issue de quelques séances de programmation en assembleur IA32.
This is NANO PC based on Raspberry pi latest version.This is basically used for poor people,who cant effort more money to buy computers.
Then you can design your won NANO computer and Do the work whatever you want.
Its same like mini computers
Microcontrôleur PIC 16F Microchip part1/2
vous trouvez ci-joint quelques exemples "basique" avec le code (Mikroc) et le schematic/simulation (Isis Proteus)
https://drive.google.com/file/d/0B6cDeCQ2t8S6ZHB3UGdxUGE1bm8/view?usp=sharing
by : Lamghari Mohammed
Computer memory comes in a memory hierarchy from fastest and smallest to slower and larger. At the top are CPU registers for temporary storage, followed by cache memory for faster access. Main memory (RAM) is volatile storage inside the computer. Secondary storage devices like hard disks and optical disks provide non-volatile storage of large amounts of data. Memory and storage technologies use electrical charges, magnetic fields, or pits and lands on optical media to store binary data representing 0s and 1s.
D’abord le mot informatique est né de la fusion des termes information et automatique. Il est communément utilisé pour indiquer la science de la représentation et traitement de l’information.’. On a des différents types d’informatique : L’informatique scientifique L’informatique de gestion, La téléinformatique, L’informatique industrielle productive Officiellement il y a plus que vingt ans que l’ordinateur personnel est né. On avait dit qu’il n’y aura pas de marché, aujourd’hui il n’y a pas de marché sans ordinateur. Le secteur informatique est devenu un secteur innovant par sa technologie qui évolue au fil de temps et aux besoins humains. L’informatique est un outil indispensable, mais il arrive que l’on affronte souvent des problèmes parmi lesquels on trouve les virus. Et pour cela, nous vous présenterons ce présent exposé
4. Construcţia şi componentele
1. Conector (Socket) CPU.1. Conector (Socket) CPU.
2. Northbridge.2. Northbridge.
3. Cipul video3. Cipul video
4. cipuri de memorie video4. cipuri de memorie video
5. Sud pod5. Sud pod
6. Inductoare de tensiune6. Inductoare de tensiune
convertoare de impulsuriconvertoare de impulsuri
7. Baterie CMOS7. Baterie CMOS
8. Memorie Conector8. Memorie Conector
modulmodul
9. Conectori periferice.9. Conectori periferice.
10. Conectori de putere10. Conectori de putere
8. Intreținerea i deservireaș
Procesul de
curaţare a
componentelor
interne trebuie
repetat periodic
dar nu este nevoie
sa demontam
complet
calculatorul decit
cel mult o data la
6 luni pentru a-l
curaţa de praf in
mod temeinic.
9. Defectele şi înlăturarea
acestora
• Un condensator. Se poate umfla si strapunge;
• Rezistenta. Se poate „arde”, adica se poate întrerupe, întrerupand si circuitul
in care este montată;
•Se poate străpunge si conduce si in sensul in care ar fi trebuit să fie blocată;
• Dezlipirea – din cauza căldurii sau a unui soc mecanic, a unui fir;
• Lipitura. La un soc sau la temperatura ridicate, se poate, daca nu a fost facuta
bine, sa se dezlipeasca, pur si simplu;
• Defectarea placii video integrate in placa de baza, tot din cauza temperaturii;
• Defectarea cipurilor de memorie;
• Stricarea porturilor sau conectorilor, si multe altele…
10. Defectele şi înlăturarea
acestora
• Un condensator. Se poate umfla si strapunge;
• Rezistenta. Se poate „arde”, adica se poate întrerupe, întrerupand si circuitul
in care este montată;
•Se poate străpunge si conduce si in sensul in care ar fi trebuit să fie blocată;
• Dezlipirea – din cauza căldurii sau a unui soc mecanic, a unui fir;
• Lipitura. La un soc sau la temperatura ridicate, se poate, daca nu a fost facuta
bine, sa se dezlipeasca, pur si simplu;
• Defectarea placii video integrate in placa de baza, tot din cauza temperaturii;
• Defectarea cipurilor de memorie;
• Stricarea porturilor sau conectorilor, si multe altele…