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Worksheets10 minute test 3
Total questions: 12
Worksheet time: 7mins
Which type of interface requires the most resources to run?
Command line interface
Graphical User Interface
Embedded systems are designed to...
... carry out a single task efficiently
... carry out a variety of tasks
An Operating System may make use of a buffer when transferring data. Buffers are used for...
...for temporary storage of data
...for long term storage of data
Which type of storage generally has the fastest read/write speed?
Memory Card
Optical Disc
Solid State Drive
True or False?
"The OS gives some processes a higher priority for execution by the CPU than others"
True
False
Increasing the number of cores in a CPU...
... increases the number of instructions processed by each core per second
... increases the number of instructions that can be carried out at the same time
Which of the following is an example of magnetic storage device?
Memory Card
DVD
HDD
Which of the following components controls the flow of data in the CPU?
ALU
OS
CU
Select two benefits of compressing a file
Takes up less storage space
Takes up more storage space
Takes less time to transmit
Takes more time to transmit
What is the function of the accumulator?
Completes arithmetic and logic calculations
Stores the answers to calculations performed by the ALU
Stores the address of the current cycle
Stores the address for the next cycle
Give two security measures an OS may have to prevent unauthorised access
User access rights
A user interface
Password/PIN/Biometric protected accounts
File management
A teacher chooses to use a USB pen drive to provide her students with some software.
Select the statements positive chacteristics below that make this a good choice.
High Capacity
High Cost
Fast read-write speeds
Portable
Durable
