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Worksheets11CS-CHAPTER 6_MEMORY AND DATA STORAGE
Total questions: 25
Worksheet time: 28mins
MP3
BMP
JPEG
MIDI
LOSSY FILE FORMAT
MP3
BMP
JPEG
MIDI
LOSSY FILE FORMAT
MP3
BMP
JPEG
MIDI
LOSSY FILE FORMAT
MP3
BMP
JPEG
MIDI
LOSSY FILE FORMAT
MP3
BMP
JPEG
MIDI
LOSSY FILE FORMAT
State the name for the area of memory used to store temporarily the data being sent to the
printer.
(a)
(a)
(a)
(a)
Text is stored in ASCII format and text files are usually stored in a ....... format
LOSSY
LOSSLESS
(a) is the time it takes for a specific block of data on a track to rotate around to the r/w head
(a) does not have any moving parts and data is retrieved at the same rate
Which one of the following is not an Optical storage?
CD-R
DVD-RAM
USB
Blu Ray
A computer has 1024 megabytes of RAM. That is the same as ...
1 Tb
1 Kb
1 Gb
1000 Gb
Same as 1024 Gigabytes
1 Tb
1 Kb
1 Gb
1000 Kb
Number of Bits in a nibble.
(a)
The following is a correct order of units of storage from lowest to highest:
a bit, a byte, a nibble, a kilobyte, a megabyte, a gigabyte, a terabyte
a bit, a nibble, a byte, a megabyte, a kilobyte, a gigabyte, a terabyte
a bit, a nibble, a byte, a kilobyte, a megabyte, a gigabyte, a terabyte
a byte, a bit, a nibble, a megabyte, a kilobyte, a gigabyte, a terabyte
how many bits are in 2 kilobytes?
2 x 1024 = 2048
2 x 1024 x 8 = 16384
2
Each song on an mp3 player is 5 megabytes.
how many songs will fit on a 500 gigabyte hard disk?
(500/1024) x 5 = 2.44
(500x1024) / 5 = 102400
5 * 1024 * 1024 = 5242800
A 15 minute video clip has a size of 65 megabytes
How many of these videos will fit on a 2Gb USB stick?
15
20
(2 x 1024)/65 = 31
(2 x 1024 x 1024)/65 = 32263
This device comes with a secure encryption system
DVD-RAM
Blue Ray Disks
CD
DVD-ROM
How many times can you write on a DVD-R?
(a)
Dual Layering is used in
DVD
CD
USB
SSD
(a)
(a)
