1.2 Memory & Storage - ROM & RAM, Slides of Computer science

Download 1.2 Memory & Storage - ROM & RAM and more Slides Computer science in PDF only on Docsity! 1 1.1: System architecture The CPU 1.2 Memory & storage An introduction to ROM & RAM • Understand the main types of memory & storage within a computer system • Explain the role of ROM & RAM • Compare the use of ROM & RAM An introduction to ROM & RAM 1.2: Memory Task 1: Computer data storage • Computers have to store vast amounts of data • Such as…? • Understand the differences between: • Primary data storage (Main Memory / RAM / ROM) • Secondary data storage (Hard drives) • Off-line storage (CD’s, DVD’s USB, Tape) Explain the role & purpose of each type of memory/storage An introduction to ROM & RAM 1.2: Memory Task 2: RAM vs ROM RAM ROM What does it stand for? What is often stored in it? What happens to its contents when you turn the power off? Can you read and write data to it? An introduction to ROM & RAM 1.2: Memory Working together…. • How does the main memory and CPU work together when processing instructions and data? MAIN MEMORY SECONDARY STORAGE CENTRAL PROCESSING UNIT (CPU) INPUT DEVICES OUTPUT DEVICES An introduction to ROM & RAM 1.2: Memory Task 3: ROM or RAM Using your whiteboards, hold up ROM or RAM to answer the following statements: For programs to be accessed by the CPU the operating system loads them into………. An introduction to ROM & RAM 1.2: Memory Task 3: ROM or RAM Using your whiteboards, hold up ROM or RAM to answer the following statements: This type of memory is read only An introduction to ROM & RAM 1.2: Memory Task 3: ROM or RAM Using your whiteboards, hold up ROM or RAM to answer the following statements: When the computer is switched off, this type of memory does not have its contents deleted An introduction to ROM & RAM 1.2: Memory Exam question