18 Questions
What is the primary key for the table 'Student'?
StudentID
How does an embedded system differ from a standard desktop computer?
Embedded system has limited functions and is usually dedicated to specific tasks
What is the purpose of applying a binary shift left by two places?
To multiply the number by 2
In a relational database, how many records are there in the 'Class' table?
5 records
Which component of a computer is responsible for long-term data storage?
Hard Drive
What type of data is typically stored on optical discs like CD-ROMs, DVD-ROMs, and Blu-rays?
'Read-only' data that cannot be modified
What Boolean expression represents the logic circuit in Figure 1?
Q = A * B
Which network topology is identified in the school's computer network in Figure 2?
Star Topology
What is one main difference between a WAN and a LAN?
WAN connects devices within a single building while LAN connects over a wider area.
Which security measure could be used to protect a computer network?
Regularly updating firewall and antivirus software
Which protocol would be used to retrieve email stored on a server?
IMAP
Which protocol is the best choice to use for making a payment securely when purchasing goods from a website?
HTTPS
What is the purpose of secondary storage?
To store data and programs permanently even when the power is off
What is the main difference between main memory and secondary storage?
Main memory has faster access times than secondary storage
What does the ASCII code value '65' represent?
Character 'A'
What is the purpose of embedded systems?
To perform specific dedicated functions within a larger system
What is one advantage of Unicode compared to ASCII?
Unicode uses variable-length encoding
What is the purpose of application software?
To perform specific tasks for end-users
This quiz covers the differences in usage between main memory and secondary storage. Questions may include explaining how data is stored and read on optical discs like CD-ROMs, DVD-ROMs, and Blu-rays, as well as defining and contrasting embedded systems with standard desktop systems.
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