A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as

A Light pen
B Optical-wand
C Plotter
D All of the above
E None of the above

Correct Answer: Optical-wand

A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as Optical-wand. A wand is a handheld optical reader that is used to read barcodes as well as typewritten, printed and OCR fonts. Wands are used to capture product information for retail and warehouse applications.
Bissoy MCQ
#Computer Fundamentals #Computer Fundamental Miscellaneous

Related Questions

Which of the following disallows both dirty reads and nonrepeatable reads, but allows phantom reads?
A Read committed
B Read uncommitted
C Repeatable read
D Serializable
Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur?
A Read committed
B Read uncommitted
C Repeatable read
D Serializable
A candidate scoring 25% marks in an examination fails by 30 marks while another candidate who score 50% marks gets 20 marks more than the minimum pass marks. what is the minimum pass mark?
A 60
B 80
C 200
D None of these
What handheld communication device, invented by martin Cooper in 1973, is considered the precursor to modern cell phones?
A Pager
B Walkie-Talkie
C Cordless phone
D Brick phone
Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are :
A 39, 30
B 41, 32
C 42, 33
D 43. 34
One third of Vindo's marks in Mathematics exceeds half of his marks in social studies by 30 , if he got 240 marks in the two subjects together , how many marks did he get in social studies?
A 40
B 60
C 80
D 10
In an examination, a student has to secure 40% marks to pass. One student got 40 marks and failed by 40 marks. What was the total marks in the examination?
A 100
B 200
C 300
D 400
In order to pass an examination, a student is required to get 35% of the maximum marks. If a student scored a total of 381 marks and failed by 144 marks, determine the maximum marks for the examination.
A 1,350
B 1,500
C 1,750
D 2,000
A student has to obtain 33% of the total marks to pass. He got 125 marks and failed by 40 marks. The maximum marks are
A 1000
B 800
C 500
D 300
Ranu and Rabu appeared at an examination. Rabu secured 9 marks more than Ranu and her marks was 56% of the sum of their marks. The marks obtained by both of them are ---
A 39, 30
B 41, 32
C 42, 33
D 43, 34

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