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Questions and Answers
What are the main characteristics of an Operating System?
What are the main characteristics of an Operating System?
- It manages hardware and software resources. (correct)
- It is a type of computer hardware.
- It exclusively runs on primary storage devices.
- It only supports one programming language.
Which of the following best describes a LAN?
Which of the following best describes a LAN?
- A network that connects different local area networks together.
- A network that typically connects computers within a small area, like a home or office. (correct)
- A type of network used only for mobile communication.
- A network that covers a large geographical area, such as a city.
What is the purpose of a subnet mask in networking?
What is the purpose of a subnet mask in networking?
- To configure the routing protocols in a network.
- To encrypt data transmitted over the internet.
- To determine the network and host portions of an IP address. (correct)
- To represent physical layer devices in a network.
Which of the following is NOT a characteristic of mobile devices?
Which of the following is NOT a characteristic of mobile devices?
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What is a significant effect of social media on business?
What is a significant effect of social media on business?
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Which of the following is a common form of cybercrime associated with social media?
Which of the following is a common form of cybercrime associated with social media?
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What does the International Mobile Equipment Identity (IMEI) represent?
What does the International Mobile Equipment Identity (IMEI) represent?
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What is the primary function of firewalls in network security?
What is the primary function of firewalls in network security?
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Which number system uses base 16?
Which number system uses base 16?
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What is a key distinction between a compiler and an interpreter?
What is a key distinction between a compiler and an interpreter?
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Study Notes
Introduction to Computer Systems
- Understanding different number systems: Binary, Octal, Decimal, and Hexadecimal
- Converting between these systems, including Binary to Decimal, Decimal to Binary, Binary to Hexadecimal, and Hexadecimal to Binary
- Representing signed and unsigned Binary Numbers
- Understanding ASCII and UTF character encoding standards
- Defining a computer and its evolution
- Key computer terms, including hardware and software, programming languages, compiler, and interpreter
Computer Hardware and Software
- Understanding the various components that make up a computer, including the Motherboard, Processor, Memory, Storage Devices, and Networking components
- Differentiating between Primary and Secondary Storage Devices
- Understanding the importance of Computer Operating Systems (OS) and the Booting process
- Exploring different types of operating systems, such as Windows and Linux, and their architectures
- Understanding File Systems
Computer Networks
- Defining a Computer Network, including Digital and Analog Signaling Methods
- Recognizing the Components of a Network, including Topology and Types of Networks: LAN, MAN, and WAN
- Understanding Routers, Routing Protocols, and the OSI Layer
- Examining the TCP/IP protocol suite and its functions
- Familiarizing with different Communication Devices, IP Addresses and Classes, Subnet Masks, and MAC Addresses
- Learning about the Internet and its relationship to websites and webpages
- Understanding Firewalls, Intrusion Detection Systems (IDS), and Intrusion Prevention Systems (IPS)
- Identifying Network and Internet Related Crimes
Mobile Technologies
- Understanding the basic components of cellular networks, including CDMA and GSM
- Identifying different mobile device types and their hardware & software characteristics
- Exploring mobile operating systems and their functions
- Familiarizing with the components of Mobile Phones, including International Mobile Equipment Identity (IMEI), Subscriber Identity Module (SIM), and SIM Files
- Understanding Smartphones
Social Media
- Identifying security issues and types of crimes in social media, including Cyberbullying, Online Grooming, and Cyberstalking
- Understanding the impact of social media on Business, Politics, and Revolutions
- Recognizing emerging trends in social media
General Knowledge & Aptitude
- Understanding general knowledge, general intelligence & reasoning, and general awareness
- Focusing on quantitative aptitude, English language & comprehension, and Statistics
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