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computer science

Total questions: 23

Worksheet time: 4mins

Name
Class
Date
1.

what is a "not gate"?

a)

a gate that you can't open

b)

It is an electronic circuit that produces an inverted version of the input at its output.

c)

a triangle with a circle at the end

d)

a type of gate in logic gates

2.

what is "5" in binary?

a)

1010

b)

0101

c)

0011

d)

1001

3.
Which of the following tag is used to begin creating a table in an HTML document?
a)
<table>
b)
<tbl>
c)
</table>
d)
</tbl>
4.
Which of the following can be added to an html document?
a)
Tables
b)
Hyperlinks
c)
Lists
d)
All of these
5.

who invented html?

a)

Mr Mullen

b)

Tim Berners-Lee

c)

Elon Musk

d)

Thomas Ederson

6.
Which truth table is this?
a)
OR
b)
NOR
c)
XOR
d)
AND
7.

What is the definition of an Algorithm?

a)

A question to be answered

b)

A set of instructions to perform a process.

c)

A list of instructions

d)

The answer to a question

8.

What type of coding is Scratch?

a)

Non-Textual

b)

Textual

9.

what is a loop?

a)

The action of doing something over and over again.

b)

Moving a character up and down

c)

changing a costume

d)

Coding a background

10.
Which of the following tags is used to create a heading within an HTML table?
a)
<h1>
b)
<head>
c)
<th>
d)
<h2>
11.
Which logic gate is this?
a)
AND
b)
NOR
c)
NOT
d)
OR
12.
Which truth table is this?
a)
NOT
b)
AND
c)
OR
d)
NAND
13.
Binary uses 1’s & 0’s to represent data
a)
True
b)
False
14.
Which logic gate is this?
a)
AND
b)
OR
c)
XOR
d)
NOT
15.
Which truth table is this?
a)
AND
b)
OR
c)
NOT
d)
NOR
16.

Which of these diagrams is correct for an OR gate?

a)
b)
c)
17.

Which gate will output a 1 if any of the inputs are 1?

a)

AND

b)

OR

c)

NOT

18.

Which of the following gates only takes one input?

a)

AND

b)

OR

c)

NOT

19.
What are the only two numbers you can use in binary?
a)
0 and 1
b)
1 and 2
c)
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
d)
1, 2, 4, 8, 16
20.
Which of these is the correct sequence for the place values for binary numbers?
a)
1, 2, 4, 8, 16, 32, 64, 128
b)
1, 2, 4, 6, 8, 10, 12, 14, 16
c)
1, 2, 3, 4, 5, 6, 7, 8
d)
0, 1
21.
What is the denary number system?
a)
It counts the number of dens
b)
Our usual base 10 number system
c)
A special number system for computers
d)
Den Ary's number system
22.
What is 1011 in denary?
a)
11
b)
14
c)
26
d)
1011
23.
Binary is:
a)
a system using the digits 0 and 1 to represent a letter, digit, or other character in a computer or other electronic device.
b)
the most common format for text files in computers and on the Internet

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