IGCSE Computer Science Paper-1: Specimen Questions with Answers 163 - 164 of 164

Question number: 163

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Appeared in Year: 2013

Short Answer Question▾

Write in Short

Write the truth table for the Digital Logic Gate shown below:

The Digital Logic Gate

The Digital Logic Gate

Explanation

The figure above shows the NAND Gate. A NAND Gate has two or more input signals but only one output signal.

Truth Table

the Truth Table of Inputs and Output

the Truth Table of Inputs and Output

Inputs

Output

A

B

0

0

1

0

1

1

1

0

1

1

1

0

Question number: 164

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Short Answer Question▾

Write in Short

A shop uses a spreadsheet to keep a record of daily sales in its electrical department. Calculate the stock value for Camera, Iron and Fan?

the stock value for Camera, Iron and Fan

the stock value for Camera, Iron and Fan

SL. NO

ITEM

NO. IN STOCK

NO. SOLD

PRICE ($)

STOCK VALUE

1

Camera

32

3

150.00

2

Iron

80

14

82.50

3

Fan

144

15

37.15

4

Kettle

60

80

190

5

Keyboard

55

26

145

Explanation

The stock value ($) of each item sold is given by

i) Stock Value for Camera

ii) Stock Value for Iron

iii) ) Stock Value for Fan

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