Computer GK – Set 4
Computer GK – Set 4
1. A Pixel is -
Ans: The smallest resolvable part of a picture
Explanation :A pixel is the smallest unit of a digital image displayed on screens. Millions of pixels combine to form pictures. Higher pixel count improves image clarity, detail, and resolution quality.
2. Ctrl, Shift and Alt are called -
Ans: Modifier keys
Explanation: Modifier keys like Ctrl, Shift, and Alt are used along with other keys to perform special functions or shortcuts. They modify the action of the main key pressed with them.
3. Common language for AI is -
Ans: Lisp and Python
Explanation: Lisp is one of the oldest AI languages, while Python is the most widely used today due to simple syntax and strong libraries like TensorFlow and PyTorch, making AI development easier.
4. In MICR, C stands for -
Ans: Character
Explanation: MICR stands for Magnetic Ink Character Recognition. It is used in banking to read cheques. The letter ‘C’ refers to “Character,” denoting machine-readable characters printed with magnetic ink.
5. Meaning of OMR -
Ans: Optical Mark Recognition
Explanation: OMR is a technology used to read marked responses on answer sheets, surveys, and forms. It detects darkened areas automatically, enabling fast and accurate data collection for examinations and tests.
6. Not a valid data type in MS Excel -
Ans: Character
Explanation : Excel supports data types like Number, Label (Text), and Date/Time. It does not have a specific “Character” data type because individual characters are stored as part of text entries.
7. In MS Word, CTRL + E will -
Ans: Centre alignment
Explanation: CTRL + E is a formatting shortcut in MS Word that centers the selected text or paragraph. It is commonly used for headings, titles, and elements requiring symmetrical alignment.
8. Word processing, spreadsheet, and photo-editing are examples of -
Ans: Application software
Explanation: Application software includes programs designed to perform user tasks like writing documents, creating spreadsheets, and editing photos. They run on operating systems and help users complete specific work.
9. To save a Word document as a web page, you need to -
Ans: Save as HTML
Explanation: To convert a Word document into a web page, you must save it in HTML format. This allows browsers to display text, images, and formatting as a webpage layout.
10. Device that translates images of text, drawings, and photos into digital form -
Ans: Scanner
Explanation: A scanner converts physical documents, photos, or drawings into digital images. It captures details using optical sensors, enabling storage, editing, and sharing of the scanned content on computers.