Explanation

• The primary function of an Operating System kernel is to manage hardware and system resources.
• It acts as a bridge between hardware and software applications.
• Kernel controls CPU, memory, and input/output devices.
• It ensures smooth execution of all programs.
• It is the core part of the operating system.

Last verified on 09-06-2026

Explanation

• Slide Sorter View is used to sort, rearrange, copy, and delete slides in Microsoft PowerPoint.
• It displays all slides as thumbnails on one screen.
• You can easily drag and drop slides to change their order.
• It is useful for organizing large presentations.

Last verified on 28-07-2026

Explanation

• Charts in MS Excel are added from the Insert tab.
• The Insert tab contains the Charts group for creating different chart types.
• Users can create Column, Bar, Line, Pie, Area, Scatter, and other charts.
• Charts help present data visually for easier analysis.

Last verified on 27-07-2026

Explanation

• The first slide in a Microsoft PowerPoint presentation is called the Title Slide.
• It usually contains the presentation title and subtitle.
• It is used to introduce the topic and presenter.
• PowerPoint provides different slide layouts, including Title Slide, Blank Slide, and Title and Content Slide.
• The Title Slide is the default layout when creating a new presentation.

Last verified on 27-07-2026

Explanation

• Pressing F11 instantly creates a chart from the selected data on a separate chart sheet.
• First, select the data range, then press F11 to generate the default chart.

Additional information:

• F1 → Open Help
• F2 → Edit the active cell
• F4 → Repeat the last action / Toggle absolute references in formulas
• Alt + F1 → Create a chart embedded in the current worksheet

Last verified on 23-07-2026

Explanation

• The 'Rehearse Timings' option is available in the Slide Show tab of PowerPoint 2016.
• It allows users to practice a presentation and automatically records the time spent on each slide.

Common PowerPoint Tabs:

• Home
• Insert
• Design
• Slide Show
• Review

Last verified on 23-07-2026

Explanation

• The correct formula to add values in Excel is =SUM(A1:A2).
• The SUM function adds numbers from the selected cell range.
• Excel formulas always begin with the =` (equal) sign.
• A1:A2 means all cells from A1 to A2.

Last verified on 14-07-2026

Explanation

• Full Form: Structured Query Language
• SQL is the standard language used to store, retrieve, update, and manage data in relational databases.

Additional information:

• Designed by: Donald D. Chamberlin & Raymond F. Boyce
• First appeared: 1974
• Latest ISO Standard: SQL:2016 (December 2016)
• Main SQL Commands: SELECT, INSERT, UPDATE, DELETE, CREATE

Last verified on 22-07-2026

Explanation

• A slide is the basic unit of a Microsoft PowerPoint presentation.
• Each slide can contain text, images, charts, tables, audio, video, and animations.
• A presentation consists of one or more slides arranged in sequence.

Additional information:

• The default file extension of a PowerPoint presentation is .pptx (since Office 2007).
• PowerPoint is widely used for education, business, meetings, and seminars.

Last verified on 22-07-2026

Explanation

• A bit (binary digit) is the smallest unit of data in a computer.
• It can have a value of 0 or 1, representing two possible states.

Additional information:

• 1 Byte = 8 bits
• 1 Kilobyte (KB) = 1024 Bytes
• 1 Megabyte (MB) = 1024 KB
• 1 Gigabyte (GB) = 1024 MB
• 1 Terabyte (TB) = 1024 GB

Last verified on 12-03-2026