ITPEC FE TextbookUnderstand the idea. Then try it.Learning as a guestYour progress
Chapters & sections

IT FUNDAMENTALS · CHAPTER 1

Understand what’s inside the computer.

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Memory hierarchy & cache

Discover how registers, cache and main memory work together. Practise cache hits, misses and access-time calculations.

Read the lesson →3 related published exam questions

Inside this chapter

  1. 1.1

    Basic configuration of computers

    History of computers · Five major units

    Planned for a later update
  2. 1.2

    Data representation

    Data representation · Radix conversion · Representing data

    Planned for a later update
  3. 1.3

    CPU & main memory

    CPU configuration · Main memory · Instructions & addressing · Logic circuits · High-speed technologies

    Read: Memory hierarchy & cache →
  4. 1.4

    Auxiliary storage

    Magnetic disks · Optical discs · Semiconductor memory

    Planned for a later update
  5. 1.5

    Input & output

    Input devices · Output devices · Control methods · Interfaces

    Planned for a later update

This first release includes one complete Hardware lesson. Further sections will be added after review. No account is needed to read or practise.