May June 2023 Exam Solutions Level Two Computer System For Business

Key features of word processing applications include:

1. Text Editing: Create, edit, and format text with various fonts, sizes, and styles
2. Document Formatting: Adjust paragraph alignment, indentation, line spacing, and page layout
3. Spell Check & Grammar Tools: Built-in tools to identify and correct errors
4. Insertion of Objects: Add images, tables, charts, and other media elements
5. Templates: Pre-designed document formats for various purposes

Graphical User Interface (GUI) components include:

1. Windows: Rectangular areas that display application content
2. Icons: Small graphical representations of files, folders, or applications
3. Menus: Lists of commands or options available to users
4. Pointers: On-screen cursor controlled by input devices
5. Taskbar/Dock: Area displaying open applications and system notifications

Potential network installation challenges:

1. High Initial Costs: Significant investment in hardware, software, and installation
2. Security Risks: Increased vulnerability to cyber threats and data breaches
3. Technical Expertise: Need for skilled IT personnel for maintenance
4. Network Downtime: Potential disruptions during installation

Half-Duplex:

• Communication occurs in both directions but not simultaneously
• Devices take turns transmitting and receiving
• Example: Walkie-talkies
• Less complex and cheaper to implement

Full-Duplex:

• Simultaneous two-way communication
• Devices can transmit and receive at the same time
• Example: Telephone conversation
• Requires more sophisticated equipment

A tower case system unit is a vertical computer chassis that houses the main components of a desktop computer (motherboard, CPU, RAM, storage devices, etc.). It typically stands upright on the floor or desk and comes in various sizes (full-tower, mid-tower, mini-tower).

1. Better Cooling: More space for airflow and additional cooling fans
2. Expandability: More room for additional components and upgrades
3. Easier Maintenance: More accessible internal components
4. Better Cable Management: More space for organizing cables

EBCDIC stands for Extended Binary Coded Decimal Interchange Code. It is a character encoding system used mainly by IBM computers to represent letters, numbers, and symbols.

ASCII stands for American Standard Code for Information Interchange. It is a common code used to represent characters (like A, B, 1, 2, etc.) in computers using 7 or 8 bits.

Is a high speed interface used to connect devices like digital cameras and external hard drives to a computer.

A port is a connection point on a computer where devices can be plugged in.

Examples
1. USB Port
2. HDMI Port

1. First Generation Machine Language
2. Second Generation Assembly Language
3. Third Generation High-Level Languages (e.g., Python, Java, C++)

An optical disk is a storage medium that uses laser light to read and write data.

A port is a connection point on a computer where devices can be plugged in.

1. CD (Compact Disc)
2. DVD (Digital Versatile Disc)

A portable computer is a personal computer designed for easy mobility, integrating all necessary components (display, keyboard, pointing device, etc.) into a single unit that can operate on battery power. Examples include laptops, tablets, and smartphones.

1. Mobility: Portables are designed for transport with built-in batteries, while desktops are stationary
2. Performance: Desktops typically offer higher performance with more powerful components
3. Upgradability: Desktop components are easier to upgrade than most portable computers
4. Display: Portables have integrated displays while desktops require separate monitors

1. Repetitive Strain Injuries: Conditions like carpal tunnel syndrome from prolonged use
2. Eye Strain: Computer vision syndrome from extended screen time
3. Obesity: Sedentary lifestyle leading to weight gain
4. Sleep Disorders: Disrupted sleep patterns from excessive gaming

1. Exposure to cyber threats Viruses, malware, and hackers can affect the network and damage data or systems.
2. Distraction to students Students may spend time browsing unrelated websites instead of focusing on their learning.

1. Lack of portability Desktop computers are fixed and cannot be easily moved, limiting flexibility.
2. Space consumption They take up more desk and room space compared to laptops.

Topology refers to the arrangement or layout of computers and devices in a network.

1. Easy to install and maintain
2. Requires less cable than other topologies, making it cost-effective

A Transaction Processing System (TPS) is a computerized system that records and processes day-to-day business transactions, such as sales, orders, or payments.

1. Speed and accuracy in recording transactions
2. Real-time or batch processing of data

A pointing device is an input device that allows users to control a cursor on the screen to interact with the computer.

1. Optical Mouse
2. Mechanical Mouse
3. Wireless Mouse
4. Trackball Mouse

1. Install and configure computer hardware and software
2. Troubleshoot and repair system issues
3. Provide technical support to staff and users
4. Maintain and update system documentation and backups

1. When printing large drawings or blueprints, such as architectural plans
2. When high-precision line art or technical diagrams are required