Hardware, Software, Networking and Data Communications
Chapter notes, video classes, MCQ practice tests and quick-revision one-liners for Information Technology and Digital Banking (Elective) — CAIIB.
One-liners from this chapter
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What is the primary role of the Central Processing Unit (CPU) in a computer system?
The CPU performs data processing operations, stores intermediate results, and controls the operation of all other parts of the computer.
Which type of computer measures continuous physical magnitudes (e.g., flow of petrol) rather than calculating directly with discrete numbers?
Analogue computer
Which component of the CPU is responsible for performing arithmetic and logical operations?
The Arithmetic and Logic Unit (ALU) is responsible for performing all arithmetic calculations and logical comparisons within the CPU.
What type of computer is described as 'dedicated to one specific task' with instructions permanently built into the machine?
Special-purpose digital computer
What is the function of the Control Unit (CU) within the CPU?
The Control Unit directs and coordinates the operations of the CPU by fetching instructions from memory, decoding them, and controlling their execution.
In the data processing cycle, what is the correct sequence of stages as per the chapter?
Collection → Preparation → Input → Data Processing → Output
What is the purpose of registers in the CPU?
Registers are small, high-speed storage locations within the CPU used to temporarily hold data, instructions, and intermediate results during processing.
In the data processing cycle, what happens at the 'Preparation' stage before data is fed as Input?
Data is sorted and filtered (raw data is organized into a usable form before conversion to machine-readable input)
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