Computer Science - IT MCQs
Topic Notes: Computer Science - IT
<p>MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.</p>
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
11
What types of data can be used when performing a sort operation?
Answer:
All of these ASSISTANT (S & GAD)
Sorting is a fundamental data management operation that allows users to organize information in a specific order.
12
Which of the following terms correctly identifies the unit or concept related to frequency measurement?
Answer:
raw,
Frequency is a physical property of waves, typically measured in Hertz (Hz). However, based on the provided answer key, the selection points to 'raw', which is conceptually unrelated to frequency.
13
What is the term for a file of records used to update a master file?
Answer:
Transaction file”
A transaction file contains data regarding recent events or activities.
14
You use a(n)-----------such as a keyboard or mouse, to input information?
Answer:
input device
A keyboard and mouse are classic examples of input devices. They allow users to enter data, commands, and other information into a computer system for processing.
15
What is the process of locating a specific item within a collection of data called?
Answer:
Retrieving’
Retrieving is the process of accessing or fetching specific data from a storage medium or database.
16
In the context of defining organizational data requirements, which of the following is considered a functional responsibility area?
Answer:
Personnel
In business information systems, responsibility areas refer to departments or functional units within an organization that manage specific data sets. Personnel (or Human Resources) is a standard functional area responsible for managing employee data, whereas genetics and molecular biology are scientific fields, not typical business data responsibility areas.
17
What is the term used to describe the process of rearranging data into a specific sequence?
Answer:
sorting
Sorting is the systematic process of arranging data in a particular order, such as numerical or alphabetical, to make it easier to search, analyze, or present in a meaningful way.
18
What is considered the smallest logical unit of data when organizing information for computer processing?
Answer:
field
In database and data processing terminology, a field represents the smallest logical unit of data that holds a specific attribute or piece of information, such as a name or a date, within a larger record structure.
19
What is the term for the sequence of operations performed on raw data to achieve specific objectives or results?
Answer:
Processes
A process refers to the systematic series of actions or steps taken to transform input data into a desired output. These operations, which may include sorting, filtering, or calculating, are essential for converting raw inputs into valuable information.
20
Which type of file is characterized by maintaining constant information over an extended period?
Answer:
Master file
A master file contains permanent or semi-permanent data that remains relatively stable over time. It serves as the primary reference point for an organization's records, which are updated periodically by processing transaction files against it.