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1. How many generations of computers are there? What is the difference between them? In what way have computers been changing over time? There are five generations of computers, each characterized by advancements in technology and capabilities. They've been changing over time by becoming smaller, faster, and more powerful.
2. What are the differences between the main types of computers (mainframes, supercomputers, desktop PCs, laptops, and tablets)? Mainframes are large, powerful computers used by large organizations, supercomputers are designed for high-performance computing tasks, desktop PCs and laptops are personal computers for general use, and tablets are portable touchscreen devices.
3. What are the similarities between smartphones and tablet PCs? Smartphones and tablets are similar in that they both have touchscreen interfaces, mobile operating systems, and can run similar applications.
4. What is the difference between hardware and software? Hardware refers to physical components of a computer, while software refers to programs and data that instruct the hardware.
5. What are the most important hardware components in a computer system? Explain your choice. Talk about the function of each of the component you have named. The most important hardware components in a computer system are the CPU, RAM, and storage devices. The CPU processes instructions, RAM stores data temporarily, and storage devices hold data permanently.
6. What types of peripherals do you know? Talk about each of them Peripherals include input devices like keyboards and mice, output devices like monitors and printers, and storage devices like external hard drives.
7. What are the three main parts of the CPU? Talk about the functions of each of them. The three main parts of the CPU are the arithmetic logic unit (ALU), control unit, and registers. The ALU performs arithmetic and logic operations, the control unit coordinates instructions, and registers temporarily hold data.
8. What is the performance of the CPU affected by? The performance of the CPU is affected by factors such as clock speed, number of cores, and cache size.
9. What is cache memory? What is its function? What is ‘write-through’ cache and ‘write-back’ cache? Cache memory is a small, high-speed memory used to store frequently accessed data. 'Write-through' cache immediately writes data to main memory, while 'write-back' cache delays writing until necessary.
10. What is cache hit/ cache miss? A cache hit occurs when requested data is found in cache, while a cache miss occurs when it's not.
11. Talk about RAM and ROM/ Talk about different types of ROM. RAM(Random Access Memory) is volitale memory used for temporary storage, while ROM(Read Only Memory) is non-volitale used for permanent storage. Types of ROM include PROM, EPROM, EEPROM.
12. What is the difference between primary memory and secondary storage devices? Give examples of primary and secondary storage media. Primary memory is volitale and used for temporary storage, while secondary storage device are non-volitale and used for long-term storage. Examples of primary memory include RAM, while secondary storage media include HDD and SSD.
13. Give at least two possible classifications of storage devices. Storage devices can be classified as magnetic or optical, or primary or secondary.
14. Talk about hard disk drive. Describe its constructions and formatting process. Hard drive disk consist of platters coated with magnetic material, read/write head, and motor. Formatting prepears disk for use by creating tracks and sectors.
15 What are the differences between a CD and DVD in term of the internal structure? CD and DVD differ in terms of their storage capacity and laser wavelenght.
Created by: Aman123
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