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101

Convert: 2048 GB = ______ TB.

SHORT Easy
Information Technology (802) · Class 11 · Sep 26, 2026
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Explanation: 2048 GB = 2048 / 1024 TB = 2 TB.
102

Write an SQL query to retrieve all information about the Teacher with Teacher_ID = 101.

SHORT Easy
Information Technology (802) · Class 12 · Sep 26, 2026
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Explanation: SELECT * FROM Teacher WHERE Teacher_ID = 101;
103

For String myString = "Java Programming"; what does myString.length() return?

MCQ Easy
a. 16
b. 15
c. 17
d. 0
Information Technology (802) · Class 12 · Sep 26, 2026
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16
Explanation: 'Java Programming' contains 16 characters including spaces, so length() returns 16.
104

Who is known as the father of the operating system?

MCQ Medium
a. Charles Babbage
b. Gary Arlen Kildall
c. Dennis Ritchie
d. James Gosling
Information Technology (802) · Class 11 · Sep 26, 2026
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Gary Arlen Kildall
Explanation: Gary Arlen Kildall is recognised as the father of the operating system.
105

Convert: 3072 GB = ______ TB.

SHORT Easy
Information Technology (802) · Class 11 · Sep 26, 2026
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Explanation: 3072 GB = 3072 / 1024 TB = 3 TB.
106

Write an SQL query to find the first and last names of all teachers earning more than 50000.

SHORT Easy
Information Technology (802) · Class 12 · Sep 26, 2026
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Explanation: SELECT First_Name, Last_Name FROM Teacher WHERE Salary > 50000;
107

For String myString = "Java Programming"; what does myString.toUpperCase() return?

MCQ Easy
a. JAVA PROGRAMMING
b. java programming
c. Java Programming
d. gnimmargorP avaJ
Information Technology (802) · Class 12 · Sep 26, 2026
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JAVA PROGRAMMING
Explanation: toUpperCase() converts every character in 'Java Programming' to uppercase: 'JAVA PROGRAMMING'.
108

Which OS function manages allocation of memory, CPU time, files, and I/O devices?

MCQ Medium
a. Process Management
b. Resource Management
c. File Management
d. Communication Manager
Information Technology (802) · Class 11 · Sep 26, 2026
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Resource Management
Explanation: Resource Management handles allocation of memory, CPU time, files, secondary storage, and I/O devices.
109

Convert: 4096 GB = ______ TB.

SHORT Easy
Information Technology (802) · Class 11 · Sep 26, 2026
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Explanation: 4096 GB = 4096 / 1024 TB = 4 TB.
110

Write an SQL query to display Teacher_ID, First_Name, Last_Name and Dept_No of teachers who belong to department number 4 or 7.

SHORT Medium
Information Technology (802) · Class 12 · Sep 26, 2026
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Explanation: SELECT Teacher_ID, First_Name, Last_Name, Dept_No FROM Teacher WHERE Dept_No = 4 OR Dept_No = 7;
111

A file system that uses 32 bits to store file allocation data is called:

MCQ Medium
a. FAT16
b. FAT32
c. NTFS
d. EXT4
Information Technology (802) · Class 11 · Sep 26, 2026
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FAT32
Explanation: FAT32 uses 32 bits to store data, whereas FAT16 uses 16 bits.
112

Convert: 5120 GB = ______ TB.

SHORT Easy
Information Technology (802) · Class 11 · Sep 26, 2026
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Explanation: 5120 GB = 5120 / 1024 TB = 5 TB.
113

Write an SQL query using a join to retrieve names of all teachers and the names/numbers of their respective departments.

SHORT Medium
Information Technology (802) · Class 12 · Sep 26, 2026
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Explanation: SELECT First_Name, Last_Name, Dept_ID, Dept_Name FROM Teacher, Department WHERE Dept_ID = Dept_No;
114

Which type of operating system ensures a fixed response time, used in applications like anti-aircraft missile systems?

MCQ Medium
a. Batch Processing System
b. Real-Time Operating System
c. Multi-user Operating System
d. Single-tasking Operating System
Information Technology (802) · Class 11 · Sep 26, 2026
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Real-Time Operating System
Explanation: Real-Time Operating Systems guarantee fixed response times for time-critical applications.
115

Convert: 3 Bytes = ______ bits.

SHORT Easy
Information Technology (802) · Class 11 · Sep 26, 2026
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Explanation: 3 Bytes = 3 x 8 bits = 24 bits.
116

Write an SQL query to retrieve the names of teachers working in the Chemistry department (using a join).

SHORT Medium
Information Technology (802) · Class 12 · Sep 26, 2026
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Explanation: SELECT First_Name, Last_Name FROM Teacher, Department WHERE Dept_ID = Dept_No AND Dept_Name = 'Chemistry';
117

Small programs used by the OS to recognize peripheral devices and their properties are called:

MCQ Easy
a. Drivers
b. Compilers
c. Utilities
d. Kernels
Information Technology (802) · Class 11 · Sep 26, 2026
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Drivers
Explanation: The Communication Manager uses special programs called drivers to interact with peripheral devices.
118

Convert: 40 bits = ______ Bytes.

SHORT Easy
Information Technology (802) · Class 11 · Sep 26, 2026
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Explanation: 40 bits / 8 = 5 Bytes.
119

Write an SQL query using table aliases T (Teacher) and D (Department) to retrieve names of teachers in the Hindi department.

SHORT Medium
Information Technology (802) · Class 12 · Sep 26, 2026
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Explanation: SELECT First_Name, Last_Name FROM Teacher AS T, Department AS D WHERE D.Dept_ID = T.Dept_ID AND Dept_Name = 'Hindi';
120

A multi-tasking operating system can execute more than one program simultaneously.

TRUE FALSE Easy
a. TRUE
b. FALSE
Information Technology (802) · Class 11 · Sep 26, 2026
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TRUE
Explanation: Multi-tasking OS divides processor time among various processes to run multiple programs.