WB JECA MCA Computer Organization And Architecture (COA) Previous Year Questions (PYQs)
A Place for Latest Exam wise Questions, Videos, Previous Year Papers,
Study Stuff for MCA Examinations
Study Stuff for MCA Examinations
A system has a 16-bit data bus and a 20-bit address bus. What is the maximum amount of data (in bytes) the system can directly address in memory?
1
2
3
4
Solution
Address bus = 20 bits → $2^{20}$ addresses → 1 MB memory.
Which of the following is the correct sequence of stages in a basic instruction pipeline?
1
2
3
4
Solution
Standard pipeline: Fetch, Decode, Execute.
________ contains firmware that boots the system.
1
2
3
4
Solution
ROM stores firmware (BIOS).
Which of the following is not a valid characteristic of SRAM?
1
2
3
4
Solution
SRAM does not require refreshing.
The sequence of events that happen during a typical fetch operation is
1
2
3
4
Solution
Correct fetch sequence includes MDR before IR.
A computer with 32 bit wide data bus uses 4K × 8 static RAM memory chips. The smallest memory of this computer is
1
2
3
4
Solution
Need 4 chips → 4K×32 = 16KB.
WB JECA MCA
Online Test Series, Information About Examination,
Syllabus, Notification
and More.
View More
WB JECA MCA
Online Test Series, Information About Examination,
Syllabus, Notification
and More.
View More
Ask Your Question or Put Your Review.
