In computing, NOS stands for: A. Node Open Software B. Non-operating Software C. Network Operating System D. None of these Correct answer is: C. Network Operating System A NOS manages network resources, users, and shared data within a network.
Which function key is used to refresh the current window? A. F4 B. F5 C. F8 D. F9 Correct answer is: B. F5 F5 is universally used to refresh webpages, windows, or content displays.
What protects a network server from unauthorized access? A. Antivirus B. Firewall C. Gateway D. Flow control Correct answer is: B. Firewall Firewalls block unauthorized access and secure the network perimeter.
Which key is pressed while moving a column in MS Excel? A. Ctrl B. Shift C. Alt D. Tab Correct answer is: B. Shift Holding Shift while dragging moves a column to a new place instead of overwriting data.
Ctrl + Left Arrow is used to: A. Move cursor to beginning of line B. Move one paragraph up C. Move one word left D. Move one paragraph down Correct answer is: C. Move one word left This shortcut moves the cursor back by one complete word.
Default page orientation for PowerPoint slides is: A. Landscape B. Portrait C. Vertical D. Horizontal Correct answer is: A. Landscape PowerPoint uses landscape orientation by default for better wide-screen visibility.
Which key starts a new paragraph in MS Word? A. Enter B. Shift C. Alt D. Ctrl + Enter Correct answer is: A. Enter Pressing Enter creates a new paragraph with new formatting.
Which key is used to view slideshow? A. F1 B. F2 C. F5 D. F10 Correct answer is: C. F5 F5 starts the slideshow from the beginning in PowerPoint.
Cursor is a: A. Thin blinking line B. Pointing device C. Pixel D. All of these Correct answer is: A. Thin blinking line A cursor shows the typing position and blinks to indicate active input.
After how many years FIFA World Cup is held? A. 3 B. 4 C. 5 D. 6 Correct answer is: B. 4 FIFA World Cup is an international football event held every 4 years.