1
GATE CSE 2005
MCQ (Single Correct Answer)
+1
-0.3
Normally user programs are prevented from handling $${\rm I}/O$$ directly by $${\rm I}/O$$ instructions in them. For $$CPUs$$ having explicit $${\rm I}/O$$ instructions, such $${\rm I}/O$$ protection is ensured by having the $${\rm I}/O$$ instructions privileged. In a $$CPU$$ with memory mapped $${\rm I}/O$$, there is no explicit $${\rm I}/O$$ instruction. Which one of the following is true for a $$CPU$$ with memory mapped $${\rm I}/O$$ ?
2
GATE CSE 2004
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following is true for a $$CPU$$ having a single interrupt request line and single interrupt grant line?
3
GATE CSE 2004
MCQ (Single Correct Answer)
+1
-0.3
How many $$8$$-bit characters can be transmitted per second over $$9600$$ baud serial communication link using a parity synchronous mode of transmission with one start bit & Eight data bits, two stop bits, and one parity bit
4
GATE CSE 2002
MCQ (Single Correct Answer)
+1
-0.3
In serial data transmission, every byte of data is padded with a $$‘0’$$ in the beginning and one or two $$‘1’s$$ at the end of byte because
Questions Asked from IO Interface (Marks 1)
Number in Brackets after Paper Indicates No. of Questions
GATE CSE Subjects
Discrete Mathematics
Programming Languages
Theory of Computation
Operating Systems
Computer Organization
Database Management System
Data Structures
Computer Networks
Algorithms
Compiler Design
Software Engineering
Web Technologies
General Aptitude