MiniTesting > IT > Byte and digital information

Byte and digital information

Test created at: 2018-12-27 by Igor; number of questions: 18.
If you are not ready, you could first read the Learn page and do the test later.

Average score for this test is: 63% calculated only from first attempts (4 pcs.), last one was: 2025-02-25.

Q1: What is byte?

Unit for bit rate
Unit of digital information, data size
Unit for processor speed
Good answeres: 1

Q2: What is bit?

Information that can have two values (0 or 1)
Information that can store number 0-9
Information that can store any pixel
Information that can store any letter from English ABC
Good answeres: 1

Q3: What can be stored in byte? 1 Byte =

8 bit
integer number from 0 to 255
1 pixel of monocrome image
1 pixel of grayscale image
1 pixel of true color image
1 frame of HD video
1 character from ASCII
Good answeres: 4

Q4: What is the range of integer numbers that can be stored in 2 bytes?

1..8
0..9
0..127
0..255
0..65535
Good answeres: 1

Q5: What is symbol for byte?

b
B
bt
Bt.
Good answeres: 1

Q6: 1 kB or 1 KB (kilobyte) =

8×1000 = 8000 byte
8×1024 = 8192 byte
1000 byte
1024 byte
Good answeres: 1

Q7: 1KiB (kibibyte) =

128 byte
128 bit
1000 byte
1024 byte
8×1024 = 8192 bit
Good answeres: 2

Q8: 1 MB (megabyte) =

1000² = 1000 000 byte
1024² byte
Good answeres: 1

Q9: 1 MiB (mibibyte) =

1000² = 1000 000 byte
1024² = 1024 × 1024 byte
Good answeres: 1

Q10: 1 mB (millibyte) =

1/1000 byte
1/1024 byte
there is no such unit
Good answeres: 1

Q11: Select true statements:

1 GB (gigabyte) > 1 TB (terabyte)
1 PB (petabyte) = 1000 TB (terabyte)
1 TB = 1000 × 1000 × 1000 byte
1 TB = 1000 × 1000 × 1000 × 1000 byte
Good answeres: 2

Q12: What can you store on 1.44 MB (old Floppy disks) from list:

1 second of MP3
1 image size of 5 Megapixels
1 second of HD video
100 pages of text
Good answeres: 2

Q13: From list select storage enough for 60 minutes of FULL HD video:

1 KB
1 MB
1 GB
1 TB
Good answeres: 1

Q14: From list select storage enough for 60 minutes of MP3 songs:

1 KB
1 MB
1 GB
1 TB
Good answeres: 2

Q15: From list select storage enough for 60 JPG images:

1 KB
1 MB
1 GB
1 TB
Good answeres: 2

Q16: What is the minimal storage request for 10 most famous poems?

1 KB
1 MB
1 GB
1 TB
Good answeres: 1

Q17: What is Mbps?

megabit per second
megabyte per second
= MB / s
= Mb / s
Good answeres: 2

Q18: Select true statements:

1 Mbps = 8 MBps
1 MBps = 8 Mbps
1 Mbps = 1000 Kbps
1 Mbps = 1024 Kbps
1 MiBps = 1024 KiBps
Good answeres: 3

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