Ch 13: Multitasking & Cooperative Kernels

Covers thread and process abstractions at the assembly level, initializing independent task stacks, switching execution contexts via register swapping, and cooperative scheduling algorithms.

141 Questions141 MCQs0 Short Questions0 Long Questions

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CS401 - Computer Architecture and Assembly Language Programming Examination Practice

Timed practice exam simulation for CS401 - Computer Architecture and Assembly Language Programming.

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Q61

📝 Short Q📘 CS401📑 Lec 13🏷️ DOS File Management (INT 21h Service 3Ch)Medium🔁⭐💡📄🎓VU🏛️VU

How do you create or truncate a file using DOS Interrupt 21h Service 3Ch (AH = 3Ch)? Specify input parameters and return values.

💻 assembly Snippet

mov ah, 0x3c
mov cx, 0
mov dx, filename
int 0x21

Q62

📝 Short Q📘 CS401📑 Lec 13🏷️ BIOS INT 13h Disk Sector Reading Service 02hMedium🔁⭐💡📄🎓VU🏛️VU

How do you read disk sector(s) into memory using BIOS Interrupt 13h Service 02h? Detail all required register input parameters and return values.

💻 assembly Snippet

mov ah, 0x02
mov al, 1
mov ch, 0
mov cl, 1
mov dh, 0
mov dl, 0x80
mov bx, buffer
int 0x13

Q63

❓ MCQ📘 CS401📑 Lec 13🏷️ Database Recovery Service and ConsistencyEasy🔁⭐💡📄🎓VU🏛️VU

Which feature of a database management system provides conversion from an inconsistent state of a database to a consistent state while ensuring minimum data loss?

A.User accessible catalog
B.Data processing
C.Authorization service
D.Recovery service

Q64

❓ MCQ📘 CS401📑 Lec 13🏷️ Database Views and Virtual TablesEasy🔁⭐💡📄🎓VU🏛️VU

Which of the following statements is true regarding views in a relational database management system?

A.A view is always a complete set of all the tables in a database
B.A view cannot be used for retrieving data
C.The results of using a view are not permanently stored in the database
D.Rows cannot be updated or deleted in a view

Q65

❓ MCQ📘 CS401📑 Lec 13🏷️ SQL TRUNCATE Command MechanicsMedium🔁⭐💡📄🎓VU🏛️VU

Which of the following statements is true regarding the SQL TRUNCATE TABLE command?

A.It can be rolled back in all transaction logs
B.It activates ON DELETE triggers automatically
C.It is classified purely as a DML command
D.It resets the identity counter of the table to its seed value

Q66

❓ MCQ📘 CS401📑 Lec 13🏷️ Relational Joins and Cartesian Product SizeEasy🔁⭐💡📄🎓VU🏛️VU

Which of the following is the correct formula to determine the total number of rows in the Cartesian product resulting from a CROSS JOIN?

A.The number of columns in the first table multiplied by the number of columns in the second table
B.The number of columns in the first table multiplied by the number of rows in the second table
C.The number of rows in the first table multiplied by the number of columns in the first table
D.The number of rows in the first table multiplied by the number of rows in the second table

Q67

❓ MCQ📘 CS401📑 Lec 13🏷️ SQL Aggregation and HAVING ClauseEasy🔁⭐💡📄🎓VU🏛️VU

Which SQL clause is used to filter group results after performing an aggregation with the GROUP BY clause?

A.WHERE
B.HAVING
C.ORDER BY
D.GROUP FILTER

Q68

❓ MCQ📘 CS401📑 Lec 13🏷️ Relational Joins and Cartesian Product SizeEasy🔁⭐💡📄🎓VU🏛️VU

Suppose TABLE1 contains 8 rows and 4 columns, while TABLE2 contains 3 rows and 4 columns. What is the total number of rows in the Cartesian product resulting from a CROSS JOIN between these two tables?

💻 sql Snippet

SELECT * FROM TABLE1 CROSS JOIN TABLE2;

A.24 rows
B.32 rows
C.12 rows
D.16 rows

Q69

❓ MCQ📘 CS401📑 Lec 13🏷️ ACID Transaction PropertiesEasy🔁⭐💡📄🎓VU🏛️VU

Which of the following is NOT one of the standard ACID properties of a database transaction?

A.Atomicity
B.Consistency
C.Redundancy
D.Durability

Q70

❓ MCQ📘 CS401📑 Lec 13🏷️ Database Views and Data AbstractionEasy🔁⭐💡📄🎓VU🏛️VU

Which of the following statements is INCORRECT regarding database VIEWS?

💻 sql Snippet

CREATE VIEW user_view AS SELECT id, name FROM users;

A.It is not possible to leave out data that is not required for a specific view
B.A database view displays one or more database records based on underlying tables
C.Views can be used as a security mechanism to restrict access to sensitive columns
D.Views are generally used to customize and focus the perception each user has of the database

Ch 13: Multitasking & Cooperative Kernels

CS401 - Computer Architecture and Assembly Language Programming Examination Practice

Mid Term Examination

Final Term Examination

CS401 - Computer Architecture and Assembly Language Programming Examination Practice

Mid Term Examination

Final Term Examination

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