cs101 assignment 1 solution

Question No 1:                                                                                                                      Marks 5     

Distinguish the following as: input, output, processing, communication and storage devices:

    • Microphone

    Input

    • CPU

    Processing

    • Digital pen

    Input

    • Modem

    Comuncation

    • CD/DVD disc

    Input

    • Speakers

    Out Put

    • Touch pad

    input

    • Multimedia Projector

    Out Put

    • Network Adapter

    Communication

    • USB flash drive

    Storage

Question No 2:                 

Marks 10     

Convert the following:

a)      (410)10 decimal number into its equivalent binary number (5 Marks)

b)      (101101)2 binary number into its equivalent decimal number. (5 Marks)

 

Question Number 2   part  b

(101101)2 binary number into its equivalent decimal number

 (101101)2 

(25 × 1) + (24 × 0) + (23 × 1) + (22 × 1) + (21× 0) + (21× 1) = 45

 

   
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