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Worksheets25-26 APCSP Bits & Bytes Review
Total questions: 35
Worksheet time: 27mins
Convert 128 MB into KB
12,800 KB
128,000 KB
12.8 KB
1.28 KB
Convert this binary code to decimal: 00101110
52
50
46
34
Which of these represents the largest amount of bytes?
KB
MB
B
GB
What category of file format does JPEG fall under?
Graphics File
Audio File
Video File
Text File
Which of these represents the decimal: 58
00001111
00111010
00011010
00110011
What type of file is a MOV?
Audio File
Graphics File
Video File
Text File
Which chart do we use to convert decimals of binary code into characters?
Hexadecimal Chart
Decimal Chart
ASCII Chart
Which of these represents the smallest amount of bytes?
MB
KB
GB
TB
This system of ten digits is called the decimal number system while the number system that uses only two digits is called _____.
the hexadecimal number system
the octal number system
the binary number system
the duodecimal number system
How many bits are in a single byte?
4
8
12
16
One ____________ is approximately 1,000 bytes.
terabyte
gigabyte
megabyte
kilobyte
One ____________ is about 1 million bytes.
terabyte
gigabyte
megabyte
kilobyte
One ____________ is about 1 billion bytes.
terabyte
gigabyte
megabyte
kilobyte
Which of the following CANNOT be represented by a single byte?
A special character such as @
A number such as 45
A word such as Tom
A letter of the alphabet such as Y
How many values can be represented by a single byte?
2
8
64
256
Which of the following is TRUE regarding lossless and lossy compressions?
An example of lossless compression is a .jpg file
Lossless uses inexact approximations while lossy does not·
You can completely reconstruct lossless but not lossy compression ·
You can completely reconstruct lossy but not lossless compression
Which of the following is FALSE regarding file sizes?
1 Gigabyte = 1,000 megabytes
1 Petabyte = 1,000 Terabytes
1 Megabyte = 1,000 bytes
1 Terabyte = 1,000 gigabytes
Your best friend has 50 small images to send to you; each of which is 500 KB. How much space do they take up overall in MB?
25 MB
250 MB
2.5 MB
25,000 MB
You have 1100 MB of data. Your best friend has 3000 MB of data. Will all of this data fit on your 4 GB thumb drive?
Yes all this data will fit on the thumb drive
The data will not fit on the thumb drive
The number of pixels in a given area is called:
Resolution
Density
RGB
Hexidecimal
What represents a black pixel in RGB?
000000
111111
010101
FFFFFF
How many BITS are in a megabyte?
8
1,000
1,000,000
8,000,000
How many bytes are in a kilobyte?
1,000 - thousand
1,000,000 - million
1,000,000,000 - billion
1,000,000,000,000 - trillion
Which file format would you use for an audio file?
JPEG
MP3
.M4A
.XLS
How many values can a 4-bit binary number represent?
4
8
16
32
