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Free computer quiz Online Test - MeritNotes
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Online Exam
No. of Questions :10
Remaining Time :
1. What function does a serial interface perform in data communication?
(a)
decodes incoming signals into computer data
(b)
converts serial data into audio signals
(c)
converts analog signals into digital signals
(d)
converts parallel data into a stream of bits
2. Microprogramming is a technique for
(a)
programming the control steps of a computer
(b)
programming output/input
(c)
programming the microprocessors
(d)
writing small programs efficiently
3. The fastest printer is
(a)
laser printer
(b)
drum printer
(c)
daisy wheel printer
(d)
dot matrix printer
4. A clipboard
(a)
works like a four function pocket calculator
(b)
can adjust the characteristics of the hardware
(c)
can be used to store text notes
(d)
transfer information between programs
5. Which of the following types of channels move data relatively slowly?
(a)
broadband channel
(b)
narrowband channel
(c)
voiceband channel
(d)
wideband channel
6. What is the name of the device that connects two computers by means of a telephone line?
(a)
cable
(b)
bus
(c)
tape
(d)
modem
7. Typewriter terminals can print computer generated data at a rate of
(a)
10 characters per second
(b)
120 characters per minute
(c)
120 characters per second
(d)
1200 characters per minute
8. A communication network which is used by large organization over regional, national or global area is called
(a)
VAN
(b)
MAN
(c)
WAN
(d)
LAN
9. A modem is connected in between a telephone line and a
(a)
serial port
(b)
communication adapter
(c)
computer
(d)
network
10. A punched card has
(a)
8 rows and 60 columns
(b)
10 rows and 72 columns
(c)
12 rows and 80 columns
(d)
16 rows and 100 columns
