WorksheetsM1_Final_Quiz
Total questions: 30
Worksheet time: 38mins
Name
Class
Date
1.
What is a numerical system that uses only two symbols, 0 and 1?
a)
decimal system
b)
binary number system
c)
integer number system
d)
decimal number system
2.
What is the 8-bit binary value of the denary number 85?
a)
1010101
b)
1000100
c)
01100101
d)
01010101
3.
What is the 8-bit binary value of the denary number 13?
a)
11 01
b)
10101
c)
110111
d)
1000100
4.
What is the 8-bit binary value of the denary number 41?
a)
101001
b)
101011100
c)
1010 11000
d)
10101101001
5.
What is the machine language of a computer?
a)
integer
b)
decimal
c)
boolean
d)
zeros and ones
6.
A computer virus can
a)
corrupt your files
b)
Give you flu
c)
Damage your hardware
d)
Delete computer memory
7.
A person who breaks code to gain access to a computer
a)
A Spy
b)
An employee
c)
A Hacker
d)
A Teacher
8.
Trojan Horses create backdoor access to your computer info for ________
a)
Anyone on the internet
b)
Everyone in your email address book
c)
Only the malicious user who created the Trojan Horse
d)
Anyone with your email address
9.
In computer terms, spam refers to what?
a)
delicious lunch meat
b)
repetitive useless information
c)
stop phising anti-malware
d)
message board etiquette
10.
Technology helps people__________
a)
ignore problems
b)
solve problems
11.
Convert this to a decimal number
a)
13
b)
10
c)
12
d)
8
12.
11111 can be read as what denary number?
a)
31
b)
18
c)
10
d)
63
13.
10 can be read as what denary number?
a)
10
b)
4
c)
1
d)
2
14.
A virus may spread from computer to computer without human action.
a)
true
b)
false
15.
A worm is type of ________
a)
Virus
b)
Both Virus and Malware
c)
Malware
d)
Neither Virus or Malware
16.
Shields computer from harm
a)
email virus
b)
Software virus
c)
Anti-virus software
d)
Trojan horse
17.
Which is NOT a type of malware?
a)
Virus
b)
Trojan horse
c)
Sandwich
d)
Worm
18.
What is adware?
a)
Causes adverts to appear
b)
Deletes files
19.
Adware is a software that automatically displays or downloads ___ material when a user is online.
a)
additional
b)
adoration
c)
advertising
d)
None of these
20.
A person who uses computers to gain unauthorized access to data by creating MALICIOUS SOFTWARE is known as a
a)
RACKER
b)
PACKER
c)
HACKER
d)
HARKER
21.
The binary number 00010
is the same as denary...
is the same as denary...
a)
2
b)
1
c)
4
d)
10
22.
The binary number 00101 is the same as denary ...
a)
4
b)
3
c)
5
d)
6
23.
The binary number 01000
is the same as denary
is the same as denary
a)
8
b)
9
c)
10
d)
13
24.
Convert 65 to binary
a)
01100001
b)
01000001
c)
00100001
d)
00100101
25.
Convert 11111111 to denary number
a)
255
b)
235
c)
245
d)
225
26.
Computers can only understand 0s and 1s.
a)
True
b)
False
27.
Convert binary 00111101 to denary.
a)
61
b)
31
c)
182
d)
115
28.
Convert binary 01000111 to denary.
a)
71
b)
117
c)
157
d)
102
29.
Convert binary 01010011 to denary.
a)
83
b)
158
c)
233
d)
73
30.
Convert binary 01011101 to denary
a)
93
b)
233
c)
176
d)
1
100 %
