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Cambridge IGCSE Computer Science practice

Paper 1 structured question: Types and methods of data transmission

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Types and methods of data transmission

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Paper 1Computer Systems1 marks

Data transmission methods are essential for communication between devices.

Description

Transmission Methods Overview

Different methods of data transmission include serial, parallel, simplex, half-duplex, and full-duplex. Each method has unique characteristics and applications.

  1. a

    State one advantage of serial transmission.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 1 structured question: Types and methods of data transmission

Paper 1Computer Systems4 marks

Description

Transmission Methods Characteristics

Serial transmission is slower but requires fewer wires. Parallel transmission is faster but limited by distance. Simplex allows one-way communication, half-duplex allows two-way communication but not simultaneously, and full-duplex allows simultaneous two-way communication.

  1. a

    Explain the advantages and disadvantages of parallel transmission compared to serial transmission.

    Aim for approximately 4 distinct marking points.

    [4]