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Free computer quiz Online Test - MeritNotes
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Online Exam
No. of Questions :10
Remaining Time :
1. The QWERTY keyboard
(a)
uses Dvorak layout
(b)
is a keyboard that is rarely used
(c)
is the fastest keyboard
(d)
is the most popular keyboard
2. Which device can draw continuous lines?
(a)
impact printer
(b)
daisy wheel
(c)
plotter
(d)
chain printer
3. Linkage between the CPU and users is provided by
(a)
software
(b)
control unit
(c)
storage
(d)
peripheral devices
4. Plotter accuracy is measured in terms of repeatability and
(a)
intelligence
(b)
vertical dimension
(c)
buffer size
(d)
resolution
5. In what storage device, recording is done by burning tiny pots on a circular disk?
(a)
optical disk
(b)
magnetic tape
(c)
floppy disk
(d)
punched cards
6. Which of the following devices can be used to directly input printed text?
(a)
Joystick
(b)
MIC
(c)
Mouse
(d)
OCR
7. Which of the following are often used to ensure data has been accurately input to the computer?
(a)
digitizers
(b)
input controls
(c)
light pens
(d)
keyboards
8. The computer code for the interchange of information between terminals is
(a)
HOLLERITH
(b)
EBCDIC
(c)
BCD
(d)
ASCII
9. What printer uses a combination of laser beam and electron photographic techniques?
(a)
laser printer
(b)
daisy wheel
(c)
dot matrix
(d)
all of these
10. The advantage of COM are
(a)
low cost, readability
(b)
readability size, speed
(c)
compact size, speed readability
(d)
compact size, readability