Computer — All MCQs
4795 questions available
Q1861.LAN stands for _____?
Correct Answer: C
LAN stands for Local Area Network, connecting computing devices across small, limited physical areas like houses, schools, or offices.
Q1862.Bluetooth is a _______ technology for short range communication.
Correct Answer: B
Bluetooth is a Personal Area Network (PAN) wireless communication technology used to transmit data across very short distances (usually within 10 meters).
Q1863.Foreign key is?
Correct Answer: C
A Foreign Key is a table column that references the Primary Key of another table, establishing logical links and relational integrity between them.
Q1864.Cache memory is located on ______?
Correct Answer: A
Cache memory is a small, ultra-fast static RAM (SRAM) unit located directly inside the CPU package to store frequently used data.
Q1865.How many types of network on the basis of distance?
Correct Answer: B
Computer networks are conventionally categorized into 4 geographical scopes: PAN (Personal), LAN (Local), MAN (Metropolitan), and WAN (Wide).
Q1866.The F1 key is used for _____?
Correct Answer: D
F1 is the universal function key programmed across almost all operating systems and applications to open the Help menu.
Q1867.Microsoft Word (MS Word) was launched/released in which year?
Correct Answer: C
Microsoft Word was first launched on October 25, 1983, under the name Multi-Tool Word for Xenix operating systems.
Q1868.The first row in an HTML table is called ______?
Correct Answer: B
In an HTML table structure, the first row is conventionally dedicated to column headings, formatted using the `<tr>` and `<th>` tags.
Q1869.Which protocol is used to establish a secure channel of communication over a potentially insecure network?
Correct Answer: A
HTTPS (Hypertext Transfer Protocol Secure) uses cryptographic SSL/TLS layers to encrypt data packets, ensuring a secure channel over the internet.
Q1870.SQR stands for?
Correct Answer: C
SQR stands for Structured Query Reporter, a database programming and reporting language used to compile formatted reports.
Q1871.Which one of the following is not type of Antivirus Software?
Correct Answer: A
Google Chrome is a popular web browser, whereas Avast, McAfee, and Norton are security applications designed to detect and block malware.
Q1872.Which of the following storage devices can store maximum amount of data?
Correct Answer: B
A typical Hard Disk can store up to several Terabytes of data, vastly exceeding the limits of compact discs (700 MB) or floppy disks (1.44 MB).
Q1873.Who developed the world's first 1-terabyte (1TB) hard disk drive?
Correct Answer: B
Hitachi GST released the Deskstar 7K1000 in 2007, which was the world's first 1 TB hard disk drive using five 200 GB platters.
Q1874.Meta and YouTube were found liable in a landmark US court case in March 2026 for what?
Correct Answer: A
On March 25, 2026, a landmark US court case in Los Angeles found Meta and YouTube liable for negligibly designing their platforms, contributing directly to social media addiction and mental health harm.
Q1875.What is the shortcut key to open the Font dialog box in Microsoft Word?
Correct Answer: D
Ctrl + D is the shortcut key used to open the Font dialog box in MS Word. F12 opens Save As, while Shift + F12 saves the document.
Q1876.What is MS Excel primarily used for?
Correct Answer: B
Microsoft Excel is a spreadsheet program primarily used to organize, calculate, and analyze numerical data using formulas, charts, and tables.
Q1877.What is MS Word primarily used for?
Correct Answer: B
MS Word is primarily a word processor designed for creating, editing, and formatting text-based documents such as letters, reports, and resumes.
Q1878.Which key is used to refresh or reload web pages?
Correct Answer: B
F5 is the standard key used to refresh or reload the active web page in modern internet browsers.
Q1879.Which key is used to make the internet browser window full screen?
Correct Answer: C
F11 toggles full-screen mode in web browsers. F12 opens developer tools, and F5 reloads the page.
Q1880.The shortcut key Ctrl + A is used to?
Correct Answer: A
Ctrl + A is the standard keyboard shortcut to select all content in a document or active window.