Which of the following is true?

A Boolean data type has only two values: true and false

A Boolean data type has only two values: yes and no

A Boolean data type has only two values: 1 and 0

What is the purpose of logic gates?

To allow an electronic system to make a decision based on its inputs

To allow a program to make a decision based on its inputs

To allow an electronic system to make a decision based on its outputs

An OR gate outputs a 1 if one or more of the inputs is a 1 whilst an XOR outputs a 1 if only one (not both) of the inputs is a 1

An OR gate always outputs 0 no matter what the inputs whereas an XOR outputs a 1 if one or more of the inputs is a 1

x > y will give the result true when the value of x is greater than the value of y

x > y will give the result false when the value of x is greater than the value of y

x > y will give the result true when the value of x is less than the value of y

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1Which of the following is true?
1. AA Boolean data type has only two values: yes and no
2. BA Boolean data type has only two values: true and false
3. CA Boolean data type has only two values: 1 and 0
2What is the purpose of logic gates?
1. ATo allow an electronic system to make a decision based on its inputs
2. BTo allow a program to make a decision based on its inputs
3. CTo allow an electronic system to make a decision based on its outputs
3With four signal inputs, how many possible outputs are there?
1. A4
2. B8
3. C16
4Which of the following are logic gates?
1. AOR, NOT, AND
2. BOR, AND, XOR
3. COR, AND, XOR, NOT
5How do OR and XOR logic gates differ?
1. AAn OR gate always outputs 0 no matter what the inputs whereas an XOR outputs a 1 if one or more of the inputs is a 1
2. BThere is no difference
3. CAn OR gate outputs a 1 if one or more of the inputs is a 1 whilst an XOR outputs a 1 if only one (not both) of the inputs is a 1
6Which of the following Boolean statements is true?
1. Ax > y will give the result true when the value of x is greater than the value of y
2. Bx > y will give the result false when the value of x is greater than the value of y
3. Cx > y will give the result true when the value of x is less than the value of y

Beschreibung: GCSE Computer Science Quiz am Boolean Logic, erstellt von Levnt am 23/05/2016.
Autor: Levnt
Sprache: English
Aufrufe: 4
Schlagwörter: computer science gcse
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