【题目】 To save time and bandwidth, both images and other files are often compressed before being ________.

1、[单选题]The infamous “Michelangelo” ____ strikes thousands of computers every year on March 6.

• A、cracker
• B、hacker
• C、virus
• D、disease

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2、[单选题]The abbreviation FPGA stands for Field ________Gate Array.

• A、Program
• B、Programmable
• C、Programming
• D、Programmer

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3、[单选题]The larger the number of pixels in an image, and the lager the number of available gray scale levels, the better the ____ of the image.

• A、resolution
• B、identification
• C、recognition
• D、shade

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4、[单选题]The abbreviation JPEG stands for Jointed Picture _______ Group.

• A、Experts
• B、Expert
• C、Engineers
• D、Engineer

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5、[单选题]The data, when they are not encrypted, are called ________.

• A、plaintext
• B、ciphertext
• C、hypertext
• D、context

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