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Worksheet 1
(Based on chapters 1 to 6)
A. Give two examples of each of the following:
1. Disk Drive - ................................ ................................
2. Port - ................................ ................................
3. Number System - ................................ ................................
4. Computer Viruses - ................................ ................................
5. Unethical Practices - ................................ ................................
6. Components of MS Excel - ................................ ................................
B. Define the following terms:
1. Hardware 2. Radix 3. Antivirus
4. Cyber Crime 5. Cell Range 6. Auto Fill
C. Guess! Who am I?
1. I am the brain of a computer that does all the calculations and runs
all the programs. ................................
2. I am a hardware component of the computer used to control the
power supply. ................................
3. I am a digital video camera connected to a computer. ................................
4. I am a group of 8 digits, either 0 or 1. ................................
5. I am a type of malicious program designed to damage or carry out
other unwanted actions on a computer system. ................................
6. I am used for describing the mark, traces or "footprints" that people
leave when they use the internet. ................................
7. I am a long horizontal bar located at the top of the Excel window
that displays the current workbook's name. ................................
8. I am a symbol or sign used to start formula in Excel. ................................
D. Write the names of the following devices:
1. ................................ 2. ................................ 3. ................................
Worksheet 1 75

