Review work
1.
What is a computer virus?
Computer viruses are small software
programs that are designed to spread from one computer to another and to
interfere with computer operation.
2.
List two ways data could be
lost:
Power failures.
Spilling liquids on the computer.
3.
List three ways how data
could be protected:
Backing up the work.
Password-protect documents.
4.
What are the three features
that you have used in MSExcel?
Pivot tables.
Conditional formatting.
Sorting and filtering.
5.
List four functions that you
have used in MS Excel:
CUBESET function
SUM function
CHOOSE function
MATCH function
6.
What are the features that
you have used in MS WORD?
Spell check.
Cut and paste.
Changing font style.
7.
List four sensors used in
weather forecasting:
Ultrasonic Anemometers
MultiScan ThreatTrack radar system
ChipCap 2
HIH-5030/4031 Series low voltage humidity
sensors
8.
What is meant by the term
animate?
To give a character the appearance of movement
using animation techniques.
Fill in
8 bits= 1 byte, a combination of 1’s and 0’s
1000 Bytes= 1KB
1000 Kilobytes= 1MB
1000 Megabytes= 1 GB
The three main tasks performed by a computer is to perform
basic tasks, such as recognizing input from the keyboard, sending output to the
display screen, keeping track of files and directories on the disk, and
controlling peripheral devices such as disk drives and printers. And to ensure
that different programs and users running at the same time do not interfere
with each other. And to provide a software platform on top of which other
programs (i.e., application software) can run.
The spreadsheets that you have created in school are stored
on the computer.
The short cut copy is Ctrl + C and the short cut for paste
is Ctrl + V.
The short copy to cut some text is Ctrl + X.
The short cut to undo changes is Ctrl + Z. The short cut to
print your document is Ctrl + P
NIC stands for Network Interface Cards.
URL means Uniform Resource Locator.
RAM stands for Random
Access Memory
Complete the table below with examples of input,
output and storage devices.
|
Input
devices
|
Output
devices
|
Storage
devices
|
|
|
|
References:
·
Computer Virus: What
It Is and What It Does. 2016. Computer Virus: What It Is and What It Does.
[ONLINE] Available at: https://www.microsoft.com/en-us/security/pc-security/virus-whatis.aspx.
[Accessed 16 March 2016].
·
7 Greatest Causes of
Data Loss | Data Safety Tips. 2016. 7 Greatest Causes of Data Loss |
Data Safety Tips. [ONLINE] Available at: http://www.databackuponlinestorage.com/7_Causes_of_Data_Loss.
[Accessed 16 March 2016].
·
10 things you can do
to protect your data - TechRepublic. 2016. 10 things you can do to
protect your data - TechRepublic. [ONLINE] Available at: http://www.techrepublic.com/article/10-things-you-can-do-to-protect-your-data/.
[Accessed 16 March 2016].
·
5 Features of Microsoft
Excel you Should be Using. 2016. 5 Features of Microsoft Excel you
Should be Using. [ONLINE] Available at: http://learn.filtered.com/blog/5-features-of-microsoft-excel-you-should-be-using.
[Accessed 16 March 2016].
·
What are the main
features of Microsoft Word?. 2016. What are the main features of
Microsoft Word?. [ONLINE] Available at: http://www.ask.com/technology/main-features-microsoft-word-cedc1f662f3b8.
[Accessed 16 March 2016].
·
The Forecast
for Weather Sensors | DigiKey . 2016. The Forecast for Weather Sensors
| DigiKey . [ONLINE] Available at: http://www.digikey.com/en/articles/techzone/2015/aug/the-forecast-for-weather-sensors-sunny-with-a-greater-chance-of-accuracy.
[Accessed 20 March 2016].
·
Google. 2016. Google.
[ONLINE] Available at: https://www.google.ae/#q=animate+definition.
[Accessed 20 March 2016].
·
Bits, Bytes,
Kilobytes, Megabytes, Gigabytes . 2016. Bits, Bytes, Kilobytes,
Megabytes, Gigabytes . [ONLINE] Available at: http://tandemtables.com/database/tables/basics/BYTES_EASY.html.
[Accessed 20 March 2016].
·
Google. 2016. Google.
[ONLINE] Available at: https://www.google.ae/?ion=1&espv=2#q=1+kb+in+bytes.
[Accessed 20 March 2016].
·
Google. 2016. Google.
[ONLINE] Available at: https://www.google.ae/?ion=1&espv=2#q=1mb+in+kb.
[Accessed 20 March 2016].
·
Google. 2016. Google.
[ONLINE] Available at: https://www.google.ae/?ion=1&espv=2#q=1gb+to+mb.
[Accessed 20 March 2016].
·
Online CS Modules:
Introduction to Operating Systems. 2016. Online CS Modules:
Introduction to Operating Systems. [ONLINE] Available at:http://courses.cs.vt.edu/csonline/OS/Lessons/Introduction/index.html.
[Accessed 20 March 2016].
·
Network Interface
Card (NIC): Types, Function & Definition - Video & Lesson Transcript |
Study.com. 2016. Network Interface Card (NIC): Types, Function &
Definition - Video & Lesson Transcript | Study.com. [ONLINE] Available
at: http://study.com/academy/lesson/network-interface-card-nic-types-function-definition.html.
[Accessed 20 March 2016].
·
What does URL mean?.
2016. What does URL mean?. [ONLINE] Available at:https://fen.custhelp.com/app/answers/detail/a_id/355/~/what-does-url-mean%3F.
[Accessed 20 March 2016].
·
What Do RAM & ROM
Mean? | Chron.com. 2016. What Do RAM & ROM Mean? | Chron.com.
[ONLINE] Available at: http://smallbusiness.chron.com/ram-rom-mean-68550.html.
[Accessed 20 March 2016].
·
Input device -
Wikipedia, the free encyclopedia. 2016. Input device - Wikipedia, the
free encyclopedia. [ONLINE] Available at: https://en.wikipedia.org/wiki/Input_device.
[Accessed 20 March 2016].
·
Output device. 2016. Output
device. [ONLINE] Available at: http://www.computerhope.com/jargon/o/outputde.htm.
[Accessed 20 March 2016].
·
Teach-ICT AS
Computing OCR exam board - define input,output, storage devices. 2016. Teach-ICT
AS Computing OCR exam board - define input,output, storage devices.
[ONLINE] Available at:http://www.teach-ict.com/as_as_computing/ocr/H047/F451/311/a_components_system/miniweb/pg5.htm.
[Accessed 20 March 2016].
