Exam Flashcards
What is the function of a hard drive?
A hard drive is the hardware component that stores all of your digital content.
Function of a Processor?
Provides the instructions and processing power the computer needs to do its work.
Function of windows operating system.
Manage and organize computer resources such as CPU, RAM, and hard disk.
RAM & ROM
RAM is volatile memory that temporarily stores the files you are working on. ROM is a non-volatile memory that permanently stores instructions for your computer.
Storage
Internal storage is a method of data storage that writes data to a disk, holding onto that data until it’s erased. Think of it as your computer’s brain.
Importance of Graphics Card
Accelerates the graphics processing capabilities of your computer, enabling you to enjoy smooth and high-quality visuals in games, videos, and other graphic-intensive applications
Importance of Laptop over Desktop
Portability, flexibility, and convenience
How does GPS operate?
GPS satellites circle the Earth twice a day in a precise orbit. Each satellite transmits a unique signal and orbital parameters that allow GPS devices to decode and compute the precise location of the satellite. GPS receivers use this information and trilateration to calculate a user’s exact location
LAN, WAN AND WLAN
LAN connections include both wired and wireless connections. WLAN connections are completely wireless. A wide-area network (WAN) is the technology that connects your offices, data centers, cloud applications, and cloud storage together.
Network Security
The protecting the underlying networking infrastructure from unauthorized access, misuse, or theft.
AUP
An acceptable use policy (AUP) is a document stipulating constraints and practices that a user must agree to for access to a corporate network, the internet or other resources.
Keylogger
A form of malware or hardware that keeps track of and records your keystrokes as you type.
Social Engineering
All techniques aimed at talking a target into revealing specific information or performing a specific action for illegitimate reasons.
Bluetooth
A wireless technology that uses radio waves to send information wirelessly over distances up to 10 meters.
Information overload
occurs when the amount of input to a system exceeds its processing capacity
website readability
a measure of how easy it is for visitors to read and understand text on a web page
What safety measures can be taken to ensure the safety of your laptop?
Use a firewall. …
Keep all software up to date. …
Use antivirus software and keep it current. …
Make sure your passwords are well-chosen and protected. …
Don’t open suspicious attachments or click unusual links in messages. …
Browse the web safely. …
Stay away from pirated material.
importance of PAT
a vital procedure aimed at ensuring the safety of electrical appliances and equipment
reasons for failure of the laptop
hardware malfunctions, software bugs, power outages, network issues, human errors,
difference between word, excel and access
Access is a database, used for manipulation of data. Excel is a spreadsheet used for numerical analysis. Word is a word-processing program that allows for creation of simple and complex documents.
Field and Record or Column and Row
A table has records (rows) and fields (columns). Fields have different types of data, such as text, numbers, dates, and hyperlinks. A record: Contains specific data, like information about a particular employee or a product.
Online and Digital storage
Online storage is when the data is stored on the internet, hosted network, or any cloud network. Allows the user to store mass amounts of data in a small space, and allows the users to easily share information with others.
Advantages and Disadvantages of cloud computing
Disadvantages
Vulnerability.
Internet Dependency.
Issues in Security and Privacy.
Advantages
Accessibility anywhere, with any device.
Ability to get rid of most or all hardware and software.
Centralized data security.
