'Memory cells' diaporamas de présentation

Chapter 3

Chapter 3. Data Storage. Learning outcomes. By the end of this Chapter you will know: The difference between electronic, magnetic and optical memory How data are stored in these types memories The main memory is made up of logic gates

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Inflammation and Repair

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Chapter 43

Chapter 43. The Immune System. Overview: Reconnaissance, Recognition, and Response. An animal must defend itself from the many dangerous pathogens it may encounter Two major kinds of defense have evolved: innate immunity and acquired immunity.

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Lecture 15 Memory Test

Lecture 15 Memory Test. Memory market and memory complexity Notation Faults and failures MATS+ March Test Memory fault models March test algorithms Inductive fault analysis Summary. Density and Defect Trends. 1970 -- DRAM Invention (Intel) 1024 bits 1993 -- 1st 256 MBit DRAM papers

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Computers

Computers. Internal and External Memory. Characteristics of Computer Memory. Location Capacity Unit of transfer Access Method Performance Physical Type Organization. UNIVAC Console and CPU. Memory Hierarchy. COST. SPEED. REGISTERS. CACHE. MAIN MEMORY. MAGNETIC DISK | DISK CACHE.

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Immune System, Vaccines, and Antibiotics Part 2

Immune System, Vaccines, and Antibiotics Part 2. Biology EOC Review SC.912.L14.52. By M. Donohue. What is Immunity???. Brainstorm! Raise Your Hand!. The Immune System. What is homeostasis? Why do you think the immune system plays a role in homeostasis?.

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Lymphatic System

Lymphatic System. Human Anatomy Chapter 20.

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How RAM Memory Works

How RAM Memory Works. IST-100 Prof: Patrick J. Healy Student: Jose A. Diaz. Introduction.

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Immunity

Immunity. Defenses Against Disease. Lymph nodes makes lymphocytes. White blood cells engulf microorganisms. Cilia in respiratory tract sweep away debris. Spleen filters out bacteria. Stomach acid kills bacteria. Skin acts as a barrier. Immunity. The ability of the body to resist disease.

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The L- atic system and immunity

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The Immune System

The Immune System. Pathogens. Defined: microorganisms that cause disease Viruses : turn cells into virus making factories. Pathogens. Defined: microorganisms that cause disease Viruses : turn cells into virus making factories Bacteria : prokaryotes that can release toxic chemicals.

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Immune system

Immune system. By the end of the lesson you should be able to Outline the stages in phagocytosis. Describe how antibodies work and how they are specific. First lines of defence. tears antibacterial enzymes. saliva antibacterial enzymes.

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Immune system

Immune system. By the end of the lesson you should be able to Outline the stages in phagocytosis. Describe how antibodies work and how they are specific. First lines of defence. tears antibacterial enzymes. saliva antibacterial enzymes.

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Antibodies

Antibodies. Learners should be able to demonstrate and apply their knowledge and understanding of: the structure and general functions of antibodies To include the general structure of an antibody molecule. an outline of the action of opsonins , agglutinins and anti-toxins.

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The Immune System

The Immune System. The Skin. 1 st line of defense: physical barrier Oils & sweat destroy some pathogens Some cells burst Some cells shrivel. Mucus Membranes. Coat the openings of the body Nose, mouth, ears, eyes, genitals, anus Lined with cilia & sticky fluids to trap pathogens.

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The Immune System

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Disease causing viruses

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Primary Storage

Primary Storage . Primary storage is the storage that is directly available to the CPU. It is also known as: Main Memory Direct Access Storage Immediate Access Storage (IAS) . Primary Storage is made up of 2 types of storage RAM and ROM. . ROM. Primary Storage . RAM.

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Lecture 22 review

Lecture 22 review. PRAM: A model developed for parallel machines An unbounded collection of processors Each processor has an infinite number of registers An unbounded collection of shared memory cells. All processors can access all memory cells in unit time (when there is no memory conflict).

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