1.
The scrambling of code is known as:
Answer: Option 'A'
Data scrambling is the process to or remove sensitive data. This process is irreversible so that the original data cannot be derived from the scrambled data. Encryption is the translation of data into a secret code. Encryption is the most effective way to achieve data security. To read an encrypted file, you must have access to a secret key or password that enables you to decrypt it. Unencrypted data is called plain text, encrypted data is referred to as cipher text. Scrambling is a technique to achieve encryption of data.
2.
Which of the following character set supports Japanese and Chinese font?
Answer: Option 'D'
Unicode is a standard for representing characters as integers. Unlike ASCII, which uses 7 bits for each character, Unicode uses 16 bits, which means that it can represent more than 65,000 unique characters. This is a bit of overkill for English and Western-European languages, but it is necessary for some other languages, such as Greek, Chinese and Japanese. Many analysts believe that as the software industry becomes increasingly global, Unicode will eventually supplant ASCII as the standard character coding format.
3.
Why do you log off from your computer when going out from your office?
Answer: Option 'A'
When you log off from the computer, you close your user account but the computer remains on for easy access the next time you log on. To log on, click your user account icon(which must be password protected to prevent unauthorised access) on the Welcome screen.
4.
Which among the following cycle consists of an Input, processing, output and storage as its constituents?
Answer: Option 'A'
The sequence of events in processing information, which includes (1) input, (2) processing, (3) storage and (4) output.
5.
Which of the following is false about the clock of the system?
Answer: Option 'A'
Clock is available property of taskbar.