1.
Which of the following statements about formatting is true?
Correct Answer
B. Formatting initialises the filing system and so prepares a disk for use. All existing data on the disk is erased.
Explanation
Formatting is the process of preparing a disk for use by initializing the filing system. This means that formatting erases all existing data on the disk, making it a clean slate for new data to be written. Therefore, the correct answer is that formatting initializes the filing system and erases all existing data on the disk.
2.
Which of the following utilities can make internet downloading safer?
Correct Answer
B. Antivirus
Explanation
Antivirus software can make internet downloading safer by scanning and detecting any potential threats or malware present in the downloaded files. It helps to protect the user's device from viruses, spyware, ransomware, and other malicious software that can harm the system or compromise personal information. Antivirus software often includes real-time scanning, automatic updates, and quarantine features to ensure the safety of downloaded files and overall internet browsing experience.
3.
Why is a File-Compression utility ideal for use when files are being transferred over a network connection?
Correct Answer
A. Zipped files are smaller and so sending them is faster
Explanation
A file-compression utility is ideal for use when files are being transferred over a network connection because zipped files are smaller in size compared to their uncompressed counterparts. This means that the transfer time is reduced as smaller files can be sent more quickly over the network.
4.
Which of these utilities can help us get rid of malicious software?
Correct Answer
B. Anti-spyware software, antivirus
Explanation
Anti-spyware software and antivirus programs are both utilities that can help us get rid of malicious software. Anti-spyware software is specifically designed to detect and remove spyware, which is a type of malicious software that collects information without the user's consent. Antivirus programs, on the other hand, can detect and remove a wide range of malicious software, including viruses, trojans, and worms. By using both anti-spyware software and antivirus programs, we can effectively protect our computer systems from various types of malicious software.
5.
Which of the following statements is/are correct?
Correct Answer
D. All the above are true
Explanation
All the statements mentioned are correct. A virus is a malicious software that replicates itself by attaching to other files, allowing it to spread between and within computers. A worm, on the other hand, spreads rapidly over a network and can cause system slowdowns. Trojans, although similar to viruses, do not have the ability to self-replicate and therefore do not fall under the category of viruses. So, all the statements are true.
6.
Which of the following is not an example of utility software?
Correct Answer
C. Kernel
Explanation
Utility software refers to programs that help manage, maintain, and control computer resources. Anti-virus software is a utility that protects against malware, and spyware detection tools are also utilities designed to identify and remove spyware. The kernel, however, is a core component of the operating system responsible for managing system resources and hardware-software interactions, not a utility software.
7.
What's the purpose of a firewall?
Correct Answer
D. It creates a strong barrier to protect the computer from outside threats
Explanation
A firewall is a security system that acts as a barrier between a computer network and external networks, such as the internet. Its purpose is to monitor and control incoming and outgoing network traffic based on predetermined security rules. By doing so, it helps to protect the computer from unauthorized access, malicious attacks, and other outside threats. It does not delete files, add databases, or clear previous data from the computer.
8.
What does a task manager do to the application software?
Correct Answer
A. It controls
Explanation
A task manager is responsible for controlling the application software. It allows users to view and manage the running processes and tasks on their computer. It provides information about the resources being used by each application and allows users to end or prioritize tasks as needed. By controlling the application software, the task manager helps optimize the performance and efficiency of the computer system.
9.
Which of the following are special programs designed to make users more productive with their personal tasks?
Correct Answer
C. Application software
Explanation
Application software refers to programs that are specifically designed to help users perform various tasks on their personal devices, such as word processing, spreadsheet management, graphic design, and more. These programs are intended to enhance productivity and efficiency by providing specific functionalities and tools that cater to the users' needs. Unlike hardware, antivirus, and utility software, which serve different purposes, application software focuses on enhancing personal tasks and activities.
10.
Which software allows the user to perform maintenance-type tasks.
Correct Answer
A. Utility programe
Explanation
Utility programs are software that allows the user to perform maintenance-type tasks on a computer system. These programs include tools for disk cleanup, system optimization, data backup, antivirus scanning, and more. Utility programs are designed to help the user manage and maintain their computer system efficiently. They are different from application software, which is used for specific tasks such as word processing or photo editing. Utility programs are essential for keeping a computer system running smoothly and ensuring its optimal performance.