Correct Answer:
B. Optical discs (CDs, DVDs)
Lasers are fundamental to reading and writing data on optical discs like CDs and DVDs, enabling high-density data storage.
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Related MCQs
Which of the following is the brain of the computer?
A.
a) Central Processing Unit
B.
b) Memory
C.
c) Arithmetic and Logic unit
D.
d) Control unit
Correct answer is:
A. a) Central Processing Unit
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Which key is used to start the Slide Show from the beginning in PowerPoint?
A.
F2
B.
F5
C.
F7
D.
Esc
Correct answer is:
B. F5
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A user pastes text from a website into a Word document, but the text brings unwanted formatting (fonts, colors, hyperlinks). Which paste option should they use to match the destination document's formatting?
A.
Keep Source Formatting
B.
Merge Formatting
C.
Keep Text Only
D.
Picture
Correct answer is:
C. Keep Text Only
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Macros in MS Word are used for:
A.
Formatting text manually
B.
Automating repetitive tasks
C.
Creating tables
D.
Inserting images
Correct answer is:
B. Automating repetitive tasks
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Pressing Shift + F5 in PowerPoint will:
A.
Save the presentation
B.
Start slideshow from current slide
C.
Print the presentation
D.
Close the presentation
Correct answer is:
B. Start slideshow from current slide
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