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Ans (2): Consistency

Data redundancy is a condition created within a data storage technology in which the same piece of data is held in two separate places. It is a potential threat to data consistency (It is the process of keeping information uniform as it moves across a network and between various applications on a computer)

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Ans (2): Dashed ellipse

ER-Diagram is a visual representation of data that describe how data are related to each other and derived attributes are represented by dashed ellipse.

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Ans (3): High speed, large capacity disk

For the operation of database management system the most important needs are high speed processor and large storage.

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Ans (3): Both (III) and (IV)

A repeater operates at the physical layer. Its job is to regenerate the signal over the same network before the signal becomes too weak or corrupted so as to extend the length to which the signal can be transmitted over the same network. A hub is basically a multiport repeater. A hub connects multiple wires coming from different branches, for example, the connector in star topology which connects different stations.

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Ans (3): Escape

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Ans (2): High level programming

All these are the examples of high level language. A High-level language is any programming language that enables development of a program in much simpler programming context and is generally independent of the computer's hardware architecture. However, for a computer to understand and run a program created with a high-level language, it must be compiled into machine language.

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Ans (1): Translator to convert source program into object code

A compiler is a computer program (or a set of programs) that transforms source code written in a programming language (the source language) into another computer language (the target language), with the latter often having a binary form known as object code.

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Ans (4): APL

APL is a set of powerful built-in functions, which can be combined by indefinitely "nesting" functions and it is frequently used in time sharing

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Ans (4): Computer Virus

A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes. Viruses can also replicate themselves.

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Ans (3): Worm

A computer worm is a standalone malware computer program that replicates itself in order to spread to other computers. Often, it uses a computer network to spread itself, relying on security failures on the target computer to access it.

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Ans (1): Firewall

A firewall is a network security system, either hardware- or software-based, that controls incoming and outgoing network traffic based on a set of rules. It is also used to protect a computer from hacker.

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Ans (1): Multi-tasking system

In computing, multitasking is a concept of performing multiple tasks (also known as processes) over a certain period of time by executing them concurrently. They’ve replaced time sharing terminology.

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Ans (4): Ctrl + Shift + P

Ctrl + Shift + P is the shortcut key to access the font size tool on font dialog box.

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Ans (3): Programming Language

Visual FoxPro is a data-centric, object-oriented, procedural, programming language produced by Microsoft. It is derived from FoxPro (originally known as FoxBASE) which was developed by Fox Software beginning in 1984.

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Ans (1): Memory is Temporary and storage is permanent

Both terms are used to refer to internal storage space on a computer. Memory, usually referred to as Random Access Memory (RAM), is the place where an application loads its data during processing, while a hard disk drive (HDD) is usually the place where data is stored for long or short term retention.