Computer Applications Technology || with Accurate Answers 100%.
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Course
Computer Applications Technology
Institution
Computer Applications Technology
keylogger correct answers a malicious program that records keystrokes in attempt to find the users password and username.
Processing cycle correct answers A. input, process, output, storage, communication
B. process, input, output, storage, communication
C. communication, output, input, storag...
Computer Applications Technology || with Accurate Answers
100%.
keylogger correct answers a malicious program that records keystrokes in attempt to find the
users password and username.
Processing cycle correct answers A. input, process, output, storage, communication
B. process, input, output, storage, communication
C. communication, output, input, storage, process
What is output device? correct answers Device used to present information
What is storage device? correct answers a piece of computer equipment on which information
can be stored.
Storage device examples correct answers Hard disk, portable hard disk, memory card, USB flash
drive, cloud storage
What is a processing unit? correct answers Analyses and processes the instructions
Processing unit correct answers CPU, RAM, ROM, graphics card
Why do we use ccomputers? correct answers 1. To save time and be productive.
2. To be efficeint, accurate and reliable.
3. To be able to commjunicate globally.
Type of computer users correct answers 1. SOHO
2. Personal
3. Moblie
4. Power
What is backup? correct answers A copy of a computer system's files and settings stored
externally.
Types of printers correct answers Laser, Inkjet, and 3-D
Inkjet printer correct answers 1. Expensive to buy
2. Ink catridges are cheaper
, 3.Cost per page is expensive
4. Measured in Dots per inch (DPI)
5. Slow printing
6. Usually used for colour printing
Laser printing correct answers 1. Cheaper to buy
2. Toner is more expensive
3. Cost per page is cheaper
4. Measured in DPI
5. Fast printing
6. Usually monochrome
3D printer correct answers A printer that can create a three-dimensional object made of various
materials.
Ensure enviromentally friendly use of printer correct answers 1. Use recycled paper
2. Print on both sides
3. Avoid printer- send email instead
Biometric correct answers uses unique physical characteristics such as fingerprint or voiceprints.
Biometric impact correct answers Advantages
- More secure
-Cannot be lost or forgotten
Disadvantages
-Expensive to set up
-Cannot access data if feature is damaged
Barcode correct answers A machine-readable code that represents data as a set of bars.
Barocde impact correct answers Advantages
-More accurate
-Faster service
Disadvantages
-Damaged barcode scanner wont work
-Scan from close proximity
QR code correct answers -A Quick Response Code that is attached to an item and that records
information related to that item.
-2D barcode
-Shortcut to a website or link
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