496 . Which of the following is not a database management software?

A. MySQL
B. Oracle
C. Sybase
D. COBOL

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Answer: Option D

Explanation:

497 . which of the following is not a malware?

A. Virus
B. Worm
C. Bug
D. Trojan horse

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Answer: Option C

Explanation:

Human ware is something which is worn by the human beings which is not a malware. where as virus, worm and adware are something related to computers they all are a part of class software called "malware".

Senior Officer (IT) - Sonali-Janata-BD Krishi-BD Development Bank Ltd - 30.11.2018

A. Motherboard
B. Scanner
C. Monitor
D. None

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Answer: Option A

Explanation:

Peripheral devices are the outer devices of the CPU; such as monitor, keyboard, Speaker, mouse, printer etc.

499 . Which of the following is not a primary storage device?

A. Magnetic tape
B. Magnetic disk
C. Optical disk
D. None of above

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Answer: Option D

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500 . Which of the following is not a removable disk?

A. Floppy disk
B. Compact Disk
C. DVD
D. USB mobile disk
E. Hard disk

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Answer: Option E

Explanation:

Sonali- Janata &amp- Agrani Bank Offier (Cash Recruitment) 22.02.2008

A. Insertion sort
B. Merge sort
C. Quick sort
D. Bubble sort

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Answer: Option C

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Sonali &amp-Janata Bank | Officer (IT)| 04.01.2019

A. Norton
B. Kaspersky
C. AVG
D. Win-pro
E. McAfee

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Answer: Option D

Explanation:

Bangladesh Bank - Assistant Director - 2013 ||

A. Norton
B. Kaspersky
C. AVG
D. Win-pro
E. McAfee

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Answer: Option D

Explanation:

Win pro is not anti - viruses software.

A common application is written in standard programming languages such as C, C + + , Cobol or Java, and the calls to the Oracle database (SQL statements) are embedded within the procedural language code.

Oracles. The problem does not have to be computable; the oracle is not assumed to be a Turing machine or computer program. The oracle is simply a "black box" that is able to produce a solution for any instance of a given computational problem: A decision problem is represented as a set A of natural numbers (or strings)

An Oracle database is a collection of data treated as a unit. The purpose of a database is to store and retrieve related information. ... Oracle Database is the first database designed for enterprise grid computing, the most flexible and cost effective way to manage information and applications.

504 . Which of the following is not an Input Device?

A. Touch Screen
B. Mouse Pad
C. Touch Pad
D. Optical Scanners

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Answer: Option B

Explanation:

Input devices: Keyboard, Mouse, Scanners, Touchpad, Touch Screen Pointing Device, Digital Pen, Joystick, Webcam, Microphone etc.

Output devices: Monitor, Printer, Plotter etc.

505 . Which of the following is not an operating system?

A. Linux
B. Unix
C. Microsoft Windows
D. ORACLE
E. None of these

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Answer: Option D

Explanation:

Oracle Corporation is an American multinational computer technology corporation headquartered in Redwood Shores, California. The company sells database software and technology, cloud engineered systems, and enterprise software products—particularly its own brands of database management systems.