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Computer Science Engineering (CSE) Exam  >  Computer Science Engineering (CSE) Tests  >  Test: Modes Of Operation Of 8255 - Computer Science Engineering (CSE) MCQ

Test: Modes Of Operation Of 8255 - Computer Science Engineering (CSE) MCQ


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10 Questions MCQ Test - Test: Modes Of Operation Of 8255

Test: Modes Of Operation Of 8255 for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Test: Modes Of Operation Of 8255 questions and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus.The Test: Modes Of Operation Of 8255 MCQs are made for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Modes Of Operation Of 8255 below.
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Test: Modes Of Operation Of 8255 - Question 1
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In the I/O mode, the 8255 ports work as

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In the I/O mode, the 8255 ports work as programmable I/O ports.

Test: Modes Of Operation Of 8255 - Question 2
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 In BSR mode, only port C can be used to

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 In BSR (Bit Set-Reset) Mode, port C can be used to set and reset its individual port bits.

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Test: Modes Of Operation Of 8255 - Question 3
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The feature of mode 0 is

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In mode 0, any port can be used as input or output and output ports are latched.

Test: Modes Of Operation Of 8255 - Question 4
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The strobed input/output mode is another name of
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 In this mode, the handshaking signals control the input or output action of the specified port.

Test: Modes Of Operation Of 8255 - Question 5
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If the value of the pin STB (Strobe Input) falls to low level, then
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If the value of the pin STB (Strobe Input) falls to low level, then input port is loaded into input latches.

Test: Modes Of Operation Of 8255 - Question 6
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The signal, SLCT in the direction of signal flow, OUT, indicates the selection of
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This signal indicates that the printer is selected.

Test: Modes Of Operation Of 8255 - Question 7
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The pulse width of the signal INIT at the receiving terminal must be more than
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The pulse width of the signal must be more than 50microseconds at the receiving terminal.

Test: Modes Of Operation Of 8255 - Question 8
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The level of the signal ERROR(active low) becomes ‘low’ when the printer is in
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he level of the signal ERROR(active low) becomes ‘low’ when the printer is in Paper end state, Offline state and Error state.

Test: Modes Of Operation Of 8255 - Question 9
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The signals that are provided to maintain proper data flow and synchronisation between the data transmitter and receiver are
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 Handshaking signals maintain proper data flow and synchronisation.

Test: Modes Of Operation Of 8255 - Question 10
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The feature of mode 2 of 8255 is
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 In mode 2 of 8255, single 8-bit port is available i.e group A.

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