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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Management and Business IT | 10% | - IT infrastructure, continuity, and support - Databases and data storage concepts |
| Topic 2: Information Security | 15% | - Security controls: access, encryption, backups - Data protection and compliance basics - Threats, vulnerabilities, and risks |
| Topic 3: Software and Operating Systems | 20% | - OS fundamentals: Windows, macOS, Linux - File management, installation, and updates - Types of software: system vs application |
| Topic 4: Networking Concepts | 20% | - Network types, topologies, and protocols - Internet, cloud, and remote access technologies - TCP/IP, IP addressing, and connectivity |
| Topic 5: Introduction to IT as a Discipline | 15% | - IT department functions and business support - IT roles and career paths - Ethics and professional responsibilities in IT |
| Topic 6: Computer Hardware | 20% | - System architecture and performance factors - Input/output devices and peripherals - Core components: CPU, memory, storage |
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NEW QUESTION # 56
In which generafion of computers were vacuam tubes used as one of the hardware components?
Answer: C
Explanation:
*Verified Answer: Vacuum tubes were used as one of the hardware components in the first generation of computers.
*Explanation: The first-generation computers, developed between 1946 and 1959, relied on vacuum tubes for their circuitry. These vacuum tube computers paved the way for electronic computing.
NEW QUESTION # 57
What is the role of the CPU in a computing environment?
Choose 2 answers
Answer: A,B
Explanation:
1.Arithmetic Logic Unit (ALU):
oThe ALU is a critical component within the CPU. It performs various arithmetic operations (such as addition, subtraction, multiplication, and division) and logic operations (such as comparisons, AND/OR operations, and shifting).
oWhen you perform a calculation on your computer, the ALU processes the numbers involved and produces the result.
oFor example, when you add two numbers in a spreadsheet, the ALU handles the addition operation.
2.Instruction Execution:
oThe CPU executes instructions based on machine code (binary signals represented as 1's and 0's).
oThese instructions come from software programs (applications), the operating system, or other components.
oThe CPU fetches an instruction from memory, decodes it, performs the necessary operation (using the ALU), and then stores the result.
oThis process happens at an incredibly fast rate, allowing your computer to perform complex tasks seamlessly.
3.System Bus:
oThe CPU communicates with other components (such as RAM, storage devices, and peripherals) through the system bus.
oThe system bus consists of three types:
Control Bus: Facilitates communication between the CPU and other devices.
Data Bus: Transfers data between different components.
Address Bus: Identifies memory locations for data access.
References
1.What Is a CPU, and What Does It Do? - How-To Geek
2.What Is The Purpose Of The Central Processing Unit (CPU) In A Computer? - Robots.net
3.Central Processing Unit (CPU) - GeeksforGeeks12
NEW QUESTION # 58
Which operating system component schedules when each application runs?
Answer: D
Explanation:
The kernel schedules when each application runs. In operating systems, scheduling is the process of deciding which program or process gets access to the CPU and for how long. This is essential for multitasking, where many applications appear to run at the same time. The kernel contains the process scheduler, which manages ready queues, assigns CPU time slices, handles context switching, and enforces priority rules so that system tasks and user applications run smoothly. In Information Technology, this function is part of core resource management, alongside memory management and device coordination. The user interface controls how the system is presented to users, such as command-line or graphical interfaces. The file manager focuses on storing, retrieving, and organizing files and folders. Drivers translate operating system commands into device- specific actions for hardware such as keyboards, printers, and disk controllers. Since scheduling is a core OS responsibility handled internally, the correct component is the kernel.
NEW QUESTION # 59
Which type of conversion involves turning off the old system and turning on the new system at a particular date and time?
Answer: B
Explanation:
In this approach, users stop using the old system, and the new system is put into use immediately1. However, direct conversion can be risky, especially without extensive testing beforehand2.
References
1.W3computing.com
2.Universal CPA Review
NEW QUESTION # 60
Which type of systems testing includes having end users test the system with simulated data and the help of the developer?
Answer: C
Explanation:
User Acceptance Testing (UAT) is a type of systems testing that involves end users testing the system with simulated data and the assistance of the developer or testing team. Let's break down the options:
*User Acceptance (A): UAT is the final phase of testing before the software is released to production. It ensures that the system meets the business requirements and is acceptable to end users. During UAT, actual users (not developers) validate the system's functionality, usability, and overall performance using real-world scenarios and data.
*Alpha (B): Alpha testing is conducted by the development team within the organization. It is an early-stage testing phase where developers test the software for defects and issues. End users are not directly involved in alpha testing.
*Beta : Beta testing occurs after alpha testing. It involves releasing the software to a limited group of external users (beta testers) who provide feedback. Beta testing is not specifically focused on simulated data or end user involvement.
*Analysis (D): Analysis is not a type of systems testing. It refers to the process of examining data, identifying patterns, and drawing conclusions.
In summary, the correct answer is A. User Acceptance, which aligns with the scenario described in the question.
References:
1.ISTQB Glossary: User Acceptance Testing
NEW QUESTION # 61
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