Computer Software Exam Quiz

2.

The octal numbering system is based on how many digits?

10
4
8
2

Correct Answer

A. 8

Explanation

The octal numbering system is based on 8 digits. In this system, the digits range from 0 to 7. Each digit represents a value that is a power of 8. This system is commonly used in computer programming and digital electronics, especially when dealing with binary numbers.

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3.

What is a "Java applet"?

Apple Multimedia Application
Interactive Form
A Bit Of Data
Small Embedded Java Program

Correct Answer

A. Small Embedded Java Program

Explanation

A Java applet is a small embedded Java program that is designed to run within a web browser. It is typically used to add interactive features to websites, such as animations, games, or interactive forms. Applets are written in the Java programming language and can be easily downloaded and executed by a web browser, allowing them to run on different operating systems without any modifications. They provide a way to enhance the functionality and interactivity of web pages, making them a useful tool for web developers.

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4.

What is the DOS command used to clear the screen?

Lsd
Clsm
Csl
Cls

Correct Answer

A. Cls

Explanation

The correct answer is "Cls". In DOS, the "Cls" command is used to clear the screen. When this command is executed, it removes all the text and graphics from the screen, providing a clean and empty display. This command is commonly used to improve readability and organization in the command prompt interface.

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5.

Interface devices communicate with the computer through input and output units. What are these interface devices called?

Microprocessors
External Processing Units
Peripherals
Disk Drives

Correct Answer

A. Peripherals

Explanation

Interface devices that communicate with the computer through input and output units are commonly referred to as peripherals. These devices include external devices such as keyboards, mice, printers, scanners, and monitors, which allow users to interact with the computer and transfer data to and from the computer system. Peripherals play a crucial role in expanding the functionality and usability of computers by providing additional input and output options.

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6.

The Windows file extension .au denotes what type of file?

Audio
Text
Animated Image
Australian

Correct Answer

A. Audio

Explanation

The correct answer is "Audio" because the file extension .au is commonly used to indicate audio files. This file format was developed by Sun Microsystems and is typically used for storing audio data on Unix-based systems.

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7.

If the battery in your desktop PC went dead, what would go wrong?

Date, Time And Any Non-Default BIOS Settings Would Be Lost
There Is No Battery In A Desktop PC
Computer Would Not Boot Up And Data On All Hard Drives Would Be Lost
Date, Time And Data On All Hard Drives Would Be Lost

Correct Answer

A. Date, Time And Any Non-Default BIOS Settings Would Be Lost

Explanation

If the battery in a desktop PC went dead, the date, time, and any non-default BIOS settings would be lost. This is because the battery in a desktop PC is responsible for maintaining the CMOS (Complementary Metal-Oxide-Semiconductor) chip's power supply, which stores the system's BIOS settings, including the date and time. When the battery dies, the CMOS chip loses power, causing these settings to be reset to their default values.

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8.

What is the most common programming language of CGI scripts?

Applescript
Perl
C/C++
Unix Shell

Correct Answer

A. Perl

Explanation

Perl is the most common programming language of CGI scripts. CGI (Common Gateway Interface) is a standard protocol that allows web servers to execute scripts and generate dynamic web content. Perl is widely used for CGI scripting due to its strong text-processing capabilities, easy integration with web servers, and extensive library of modules specifically designed for web development. It provides a flexible and efficient solution for processing form data, interacting with databases, and generating dynamic web pages, making it a popular choice among developers for creating CGI scripts.

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Computer Software Exam Quiz

What web browser plug-in allows you to view a .PDF file?

Quiz Preview

The octal numbering system is based on how many digits?

What is a "Java applet"?

What is the DOS command used to clear the screen?

Interface devices communicate with the computer through input and output units. What are these interface devices called?

The Windows file extension .au denotes what type of file?

If the battery in your desktop PC went dead, what would go wrong?

What is the most common programming language of CGI scripts?