The document discusses the basics of computer hardware and software. It describes the main components of a computer including the processor, memory, and input/output devices. It also discusses application software, system software, programming languages, and algorithms. Additionally, it defines the characteristics of computers like speed, accuracy, and storage capacity. The document goes on to describe common computer registers like the accumulator, general purpose registers, and the program counter. Finally, it discusses algorithms and flowcharts as tools for representing the steps in a computer program.

1. MODULE1
Basics of Computer Hardware and Software: Basics of Computer
Architecture: processor, Memory, Input& Output devices. Application
Software & System software: Compilers, interpreters, High level and low
level languages. Introduction to structured approach to programming, Flow
chart Algorithms
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4. Characteristics of a computer
• SPEED
• ACCURACY
• DILIGENCE
• VERSATILITY
• POWER OF REMEMBERING
• NO IQ
• NO FEELING
• STORAGE
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9. • Registers: are high speed storage areas within the CPU but
has the least storage capacity..
Following are some commonly used registers:
• Accumulator: This is the most common register, used to
store data taken out from the memory.
• General Purpose Registers: This is used to store data
intermediate results during program execution.
• MAR: Memory Address Register are those registers that
holds the address for memory unit.
• MDR: Memory Data Register stores data received from the
memory and sent from the memory.
• PC: Program Counter points to the next instruction to be
executed.
• IR: Instruction Register holds the instruction which is
currently been executed.
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25. Algorithms &Flowcharts
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