Computer Studies 2023 Jamb Examination
Computer Studies 2023 Jamb Examination
Question 21
Anti-virus software is an example of ?
Utility programs are software designed to help manage, maintain, or protect a computer system. Anti-virus software is a utility program that protects the system from malware.
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Question 22
What is the shortcut for creating a new document ?
Ctrl + N is the standard keyboard shortcut used to create a new document in most software applications.
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Question 23
Which of these criteria is not important while classifying files ?
While the "Size of the file" is not typically used as a primary criterion for classifying files, it can be considered for certain purposes, such as storage management or network transfer. Therefore, option D, "Storage medium" is the most likely correct answer.
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Question 24
Which of the following is a valid variable name in Python?
In Python, variable names must start with a letter or underscore and can only contain letters, digits, or underscores. Therefore, 'my_variable' is valid.
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Question 25
How many bits are in one nibble ?
A nibble consists of 4 bits. It is half of a byte, which contains 8 bits.
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Question 26
The only possible number base for 235x among the following is ?
The largest digit in 235x is 5, so the number base must be greater than 5. Among the options, 6 is the only valid base.
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Question 27
At what stage in system development life cycle are all data documented in the form of detailed data flow diagrams(DFDs)
During system analysis, all data and processes are documented in detailed data flow diagrams to understand the current system and requirements.
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Question 28
Translators are type of ?
Translators, such as assemblers, compilers, and interpreters, are system software that convert high-level or assembly code into machine code.
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Question 29
What is the difference between an assembler and a compiler ?
An assembler converts assembly language code into machine language. A compiler converts high-level programming language into machine language code for execution.
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Question 30
Which of these storage devices can act as a buffer between the CPU and the main memory ?
Cache memory is a small, high-speed memory located between the CPU and main memory that stores frequently used data to speed up processing.