Pre Test Activty

PRE-TEST

Part I

Conversions:

a) 8 TB to Bytes= 8796093022208 Bytes

b) 15KB to bits =122880 bits

c) 12000 MB to KB =12288000

d) 30987 KB to MB=30.2607

e) 230000 MB to GB =224.6093

Part II

Solve the following problems:

a. How many videos of 80 MB can we save in an external hard drive of 3

TB? I can save 39,321 videos.

b. How many pictures of 900 KB can we send via e-mail considering that

the maximum size for attachments is 10 MB? I can send 11.3 pictures

Part III

Convert the following numbers to Binary:

a.98= 1100010

b.77=1001101

c.246=11110110

d.230=11100110

Part IV

Convert the following numbers to decimal numeral system:

a.1111000=120

b.1010101=85

First Class Work

Computer Units of Measurement Review activity

Description:

This activity is designed to evaluate your prior(pre-existing) knowledge of computer fundamentals. In this activity students are required to apply their knowledge of computer units of measurement to solve a set of problems.

Instructions:

In your "electronic notebook" solve the following problems.


Classwork:

1. Create a Microsoft word file "write a word" and then check what is the file size. Compare this size with the size of a picture, power point presentation, mp3 file, video file.

File size

Microsoft Word _____
Power Point ____
Mp3 file ____
Video ______
Picture ______



2. Find out the available space on your computer hard drives and then answer the following questions:

Total space:
Available space:

a. How many video files of 30 MB can we save in this hard drive
b.How many mp3 audio files can we save on it.
c. How many Microsoft word files can we save on it
d. How many pictures can we save on it.


3. Solve the following problem:


a.How many mp3 songs of 8MB can I save into my 180 GB Ipod ?

b.How many videos of 60 MB can I save into my 4 GB usb memory?

5.Perform the following conversions:

a. 3 Tera Bytes to Mega Bytes
b. 1024 Giga Bytes to TeraBytes
c. 300 Mega Bytes to Kilo Bytes
d. 20000 Kilo Bytes to Giga Bytes


6. In your own words explain the procedure you followed to convert from Tera Bytes to Mega Bytes.



7. In your own words explain the procedure you followed to convert from Kilo Bytes to Giga Bytes.