
GCSE Data Rep

Quiz
•
Computers
•
7th Grade
•
Medium
J Spensley
Used 2+ times
FREE Resource
58 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is created by the presence or absence of electricity in computer systems?
Binary data
Analog signals
Mechanical energy
Chemical reactions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two states that a switch in a computer circuit can have?
High or low
Positive or negative
On or off
Open or closed
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What allows for countless combinations in computer systems?
The use of a single switch
The flow of electricity through a single circuit
The collective use of multiple switches
The presence of electricity only
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the number 1 represent in a binary system?
Electricity is absent in the circuit
Electricity is present in the circuit
The switch is broken
The switch is in a neutral state
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the number 0 represent in a binary system?
Electricity is present in the circuit
The switch is in a neutral state
Electricity is absent in the circuit
The switch is broken
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a single 1 or 0 in binary called?
A byte
A nibble
A bit
A binary number
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many bits are there in a byte?
4 bits
8 bits
16 bits
2 bits
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