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DIG 2000 TEST 3 QUESTIONS AND ANSWERS 2024/2025
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VIDEO → SEQUENCE OF IMAGES. → BITMAPS. → IMPLIES CAPTURED IMAGES. PERSISTENCE OF VISION → LATENCY IN THE EYE'S RESPONSE TO VISUAL STIMULUS. → PRESENT STILL IMAGES AT A HIGH ENOUGH RATE TO AVOID "FLICKER". → FUSION THRESHOLD. → 16 FRAMES/SECOND. HUMAN EYE CAN SEE: → 16 FRAM...

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  • October 16, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • dig 2000 test 3 questions and answers
  • video sequence of images bitmaps implies c

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  • DIG 2000
  • DIG 2000

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2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!


DIG 2000 TEST 3 QUESTIONS AND
ANSWERS 2024/2025
VIDEO

→ SEQUENCE OF IMAGES.
→ BITMAPS.
→ IMPLIES CAPTURED IMAGES.


PERSISTENCE OF VISION

→ LATENCY IN THE EYE'S RESPONSE TO VISUAL STIMULUS.
→ PRESENT STILL IMAGES AT A HIGH ENOUGH RATE TO AVOID "FLICKER".
→ FUSION THRESHOLD.
→ 16 FRAMES/SECOND.


HUMAN EYE CAN SEE:

→ 16 FRAMES/SEC


WE SHOOT FILM IN:

→ 24 FRAMES/SEC


WE RECORD VIDEO IN:


→ 30/60 FRAMES/SEC


COMPUTER MONITORS SHOWS IN:

→ 60/120 FRAMES/SEC


THERE ARE TWO VIDEO SIGNALS:


1|Page| GradeA+ | 2 0 0 2 5

, 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!

→ COMPONENT AND COMPOSITE


INTERLACING


→ EACH FRAME IS DIVIDED INTO TWO FIELDS.
→ FIELD 1: ODD LINES; FIELD 2: EVEN LINES.
→ TRANSMITTED ONE AFTER ANOTHER.


PROGRESSIVE SCANNING

→ NON-INTERLACING.
→ COMPUTER MONITORS DON'T NEED TO INTERLACE.
→ FRAMES AREN'T DIVIDED INTO FIELDS.
→ MONITOR CAN DRAW 60 FULL FRAMES EACH SECOND.


NTSC

→ ANALOG STANDARDS.
→ NTSC ( NATIONAL TELEVISION STANDARDS COMMITTEE).
→ FRAMES HAS 525 LINES, 480 ARE PICTURE, AND HAS A 4:3 ASPECT RATIO.
→ USED IN US, TAIWAN, AND JAPAN.


PAL

→ ANALOG STANDARDS.
→ PAL ( PHASE ALTERNATING LINE)
→ FRAME HAS 625 LINES, 576 ARE PICTURE, AND HAS A 4:3 ASPECT RATIO.
→ USED IN EUROPE.


HDTV




1|Page| GradeA+ | 2 0 0 2 5

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