- Local Display Display
- Liquid Crystal Display
- Line Crystal Display
- None of these
- b
-
LCD was invented by George H.Heilmeier in 1970.
Punjab Police Department
All Solved Punjab Police Current & Past Papers are included in this portion of ETEST Academy’s Website. All MCQs of Punjab Police are Solved with detailed answers. ETEST Academy updates this website on daily basis.
WAN stands for:
- World Area Network
- Wide Area Network
- Whole Area Network
- None of these
- b
-
WAN was invented and introduced first time US Air Force in 1950.
GPS stands for:
- Genius Positioning System
- Global Part of System
- Global Positioning System
- None of these
- c
-
GPS was invented in 1973.
LAN stands for:
- Line Area Network
- Local Area Network
- Legal Area Network
- None of these
- b
-
Bob Metcalfe invented the LAN in 1973.
ROM stands for:
- Read Only Memory
- Red Only Memory
- Random Access Memory
- None of these
- a
-
RAM stands for Random Access Memory.
Which type of lens are used in Camera?
- Convex
- Concave
- Both A & B
- None of these
- a
-
There are used same type of mirror in Cars.
RBC stands for:
- Red Blood Cells
- Red Blue Cells
- Red Black Cells
- None of these
- a
-
The life span of Red Blood Cells is 120 days (Approximately).
LPG stands for:
- Liquefied Proper Gas
- Liquefied Petroleum Gas
- Liquefied petroleum Gap
- None of these
- b
-
LPG identified first time by Walter O.Snelling LPG in 1910.
What is speed of light?
- 370,000 Km/Sec
- 300,000 Km/Sec
- 350,000 Km/Sec
- 320,000 Km/Sec
- c
-
Speed of sound is 343m/sec.
What is Functional Key for Help?
- F1
- F2
- F3
- F4
- a
-
Spelling Check Functional Key is F7
To Refresh, Functional Key is F5