Q1. What is the full form of DOS in MS DOS?
a) Drive Operating System
b) Disk Operating System
c) Domain Operating System
d) Dialogue Operating System
e) None of the above
Answer: (b)
Explanation: MS DOS is a discontinued operating system for x86-based personal computers mostly developed by Microsoft. It was the most commonly used member of the DOS family of operating systems, and was the main operating system for IBM PC compatible personal computers during the 1980s and the early 1990s, when it was gradually superseded by operating systems offering a graphical user interface (GUI).
Q2. What is a relational database that is designed for query and analysis rather than for transaction processing?
a) Data Warehouse
b) PLSQL
c) Oracle
d) Data Mining
e) Cloud
Answer: (a)
Explanation: In computing, a data warehouse (DW or DWH), also known as an enterprise data warehouse (EDW), is a system used for reporting and data analysis, and is considered as a core component of business intelligence environment.
Q3. In an Excel table, what uses a single formula that adjusts for each row?
a) Calculated column
b) Formula bar
c) New column
d) Array
e) None of the above
Answer:(a)
Explanation: A calculated column uses a single formula that adjusts for each row. It automatically expands to include additional rows so that the formula is immediately extended to those rows.
Q4. What does MBps stands for?
a) Mega Bits per second
b) Major Bits per second
c) Mega Bytes per second
d) Major Bytes per second
e) None of the above
Answer:(c)
Explanation: Mbps means megabits per second. Mb is used for download and upload speed.
MBps stands for megabytes per second. MB is used for file size.
Q5. Which of the following is not an image file format?
a) JPEG
b) GIF
c) TIF
d) PNG
e) AAC
Answer: (e)
Explanation: AAC is Advanced Audio Coding (AAC), an audio coding standard for lossy digital audio compression.
Q6.The principle of modern computer was first described by ______?
a) Alan Turing
b) Charles Babbage
c) John Napier
d) Wilhelm Schickard
e) None of the above
Answer: (a)
Explanation: The principle of the modern computer was proposed by Alan Turing, in his seminal 1936 paper, On Computable Numbers. Turing proposed a simple device that he called "Universal Computing machine" that is later known as a Universal Turing machine.
Q7. Which of the following is a DBMS software?
a) MySQL
b) ORACLE
c) PostgreSQL
d) Sybase
e) All of the above
Answer:(e)
Explanation: All are DBMS software.
Q8. Which of the following is a volatile memory?
a) RAM
b) ROM
c) Both RAM and ROM
d) Neither RAM nor ROM
e) F-RAM
Answer:(a)
Explanation: Volatile memory is a type of storage whose contents are erased when the system's power is turned off or interrupted. For example, RAM is volatile, meaning users will lose a document if they do not save their work to a non-volatile classification of memory, such as a hard drive, before shutting down the computer.
Q9. Which of the following is an input/output device?
a) Processor
b) Scanner
c) RAM
d) Compiler
e) None of the above
Answer: (b)
Explanation: Scanner is the only I/O device among other options.
Q10. Who among the given options is creator of Java?
(a) James Gosling
(b) Jonathan Schwartz
(c) Robert Dennard
(d) Ted Hoff
(e) None of the above
Answer: (a)
Explanation: James Gosling, Mike Sheridan, and Patrick Naughton initiated the Java language project in June 1991. Gosling was with Sun Microsystems. He is known as the father of the Java programming language.
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