CvLTAELG1AAv7GMjp8RSaPGsvS8 CS101 Assignment 1 Solution Fall 2012 (07 November 2012) |
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# CS101 Assignment 1 Solution Fall 2012 (07 November 2012)

### Question No 1:                                       Marks 5

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

• Microphone CPU
• Digital pen
• Modem
• CD/DVD disc
• Speakers
• Multimedia Projector
• USB flash drive

### 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)

# Solution is Given Below

Slution Question 1

• Microphone                                   (output)
• CPU
• Digital pen                                       (input)

• Modem                                             (communication)
• CD/DVD disc                                  (storage)
• Speakers                                          (output)
• Multimedia Projector                (output)
• USB flash drive                             (storage)
Solution Question 2 (a)
 2 205 2 102 1 2 51 0 2 25 1 2 12 1 2 6 0 2 3 0 1 1

(11001101)2

Solution Question 2 (b)

(1×25 )+( 0x24 )+ (1×23 )+( 1×22 )+ (0x21 )+ (1×20 )

= (1 x 32) + (0 x 16)+ (1 x 8)+ (1 x 4)+ (0 x 2) +( 1 x 1)

= 32 + 0 + 8 + 4 + 0 + 1

= (45)10