IBPS RRB Mains Study Planner – Computer Knowledge Day 13

Q.1) In OCR the word ’C’ stands for

a) Communication

b) character

c) cell

d) computer

e) none of these

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Q.2) Which of the following output device display information from the computer on to a large white screen

a) Monitor

b) Screen image projector

c) Printer

d) data projector

e) both b & d

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Q.3) Which printer is used for voluminous print output?

a) Dot-matrix printer

b) Daisy wheel printer

c) Drum printers

d) ink-jet printers

e) laser printers

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Q.4) Which of the following printer prints one character at a time?

a) Dot-matrix

b) Daisy wheel

c) drum

d) ink-jet

e) both a& b

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Q.5) Which of the following printer do not hit or impact a ribbon to print?

a) daisy wheel

b) dot-matrix

c) drum

d) ink-jet

e) all the above

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Q.6) I/O devices are attached to the computer via

a) connectors

b) ports

c) pins

d) all the above

e) none of these

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Q.7) The monitor and keyboard together are known as

a) Cathode ray tube

b) liquid crystal display

c) visual display terminal

d) light emitting diode

e) none of these

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Q.8) Computer user interacts with the computer via

a) memory unit

b) CPU

c) I/O unit

d) all the above

e) none of these

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Q.9) Which of the following groups consists of only input devices?

a) Keyboard,MICR,mouse

b) Keyboard,printer,monitor

c) Keyboard,mouse,printer

d) keyboard,plotter,mouse

e) Keyboard,OCR,monitor

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Q.10) A US standard keyboard follows

a) QWERTY model

b) ASDFGHJ model

c) ZXCVBN model

d) RTYUIO model

e) none of these

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Q.11) Resolution of laser printer is specified in terms of

a) MPI

b) LPI

c) PPI

d) DPI

e) none of these

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Q.12) Large computer system uses

a) Inkjet printers

b) Line printers

c) Daisy wheel printers

d) Dot matrix printers

e) none of these

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Q.13) The speed and movement direction of mouse can be measured in

a) bits per inch

b) dots per inch

c) character per inch

d) page per inch

e) none of these

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Q.14) Ctrl,Shift and Alt are

a) modifier keys

b) function key

c) alphanumeric keys

d) adjustment keys

e) none of these

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Q.15) When a key is pressed on the keyboard, a standard which is used for converting the keystroke into the corresponding bits

a) ASCII

b) EBCDIC

c) ANSI

d) ISO

e) IEEE

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Q.16) ”Return key” is also known as

a) Shift key

b) Ctrl key

c) Alt key

d) Function key

e) Enter key

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Q.17) Which of the following device might be used to input and interpret information printed on bank cheques?

a) OCR

b) OMR

c) barcode

d) MICR

e) scanner

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Q.18) which among the following is the smallest unit in an image in a computer screen?

a) dot

b) pixel

c) array

d) resolution

e) none of these

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Q.19) Which of the following is billionth of a second?

a) millisecond

b) microsecond

c) nanosecond

d) picosecond

e) terasecond

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Q.20) Memory is characterised on the basics of

a) frequency

b) access time

c) cost

d) capacity

e) both b & d

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