Computer Science/IT MCQs
Topic Notes: Computer Science/IT
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
601
Ctrl + M
Answer:
Left Indent
** Ctrl + M in MS Word increases the left indent of the current paragraph(s).
602
What are inserted as cross-reference in Word?
Answer:
Word fields
The correct answer is **D) Word fields**. Cross-references in Microsoft Word are dynamic links to other parts of your document, such as headings, figures, tables, or even specific text. These links are implemented using Word's field functionality. When you create a cross-reference, you are essentially inserting a field that tells Word to look for a specific item (identified by its type and possibly a caption or bookmark) and display its page number, heading text, or other relevant information. If the referenced item's content or location changes, updating the field will automatically update the cross-reference, ensuring accuracy without manual intervention. Option A, placeholders, are generic markers that can be used in templates but don't inherently create dynamic links. Option B, bookmarks, are specific locations within a document that can be referenced, and while they are used *by* cross-references, they are not the cross-reference itself. Option C, objects, refers to external items inserted into the document, such as images or charts, which are distinct from the internal linking mechanism of cross-references.
603
The process of converting code into a secret form to protect data is known as:
Answer:
Encryption
Encryption encodes data so only authorized parties can read it, safeguarding information from unauthorized access.
604
The term for unwanted or unsolicited email is _____.
Answer:
Spam
Spam refers to mass emails typically sent without the recipient’s consent, usually for advertising.
605
Which of the following is an example of a network operating system?
Answer:
Windows Server
Windows Server is a brand name for a group of server operating systems released by Microsoft.
606
To display the system boot menu, which key must be pressed during startup?
Answer:
F8
Pressing F8 during the boot process brings up the Advanced Boot Menu in Windows, allowing access to safe mode and other troubleshooting options.
607
Which device is most suitable for navigating in a 3D environment?
Answer:
Tracker ball
Tracker balls (trackballs) allow precise control and are well-suited for moving within three-dimensional spaces.
608
What is the term for making a duplicate copy of important data?
Answer:
Protecting data by copying it from the original source to a different destination
Backing up creates safe copies to prevent data loss from damage or accidental deletion.
609
The Banker's algorithm serves what purpose in operating systems?
Answer:
To prevent deadlock
The Banker's algorithm ensures resource allocation in a way that avoids system deadlocks.
610
Change the _____ to create a document in wide format.
Answer:
Page Orientation
** Setting Page Orientation to "Landscape" gives a wider (horizontal) document; "Portrait" is the default vertical format.