What is clock speed measured in?
Bytes
Hertz
Seconds
Which of the following are components of the central processing unit (CPU)?
Registers, read only memory (ROM) and cache
Resisters, read only memory (ROM) and arithmetic logic unit (ALU)
Registers, cache and arithmetic logic unit (ALU)
Which central processing unit (CPU) component makes logical decisions?
Control unit (CU)
Cache
Arithmetic logic unit (ALU)
What is a register?
A small amount of high speed random access memory (RAM) contained within the processor
A small amount of high speed read only memory (ROM) contained within the processor
A small computer that forms part of a larger system
Which of these statements about Von Neumann architecture is true?
Only data is stored in main memory
Only instructions are stored in main memory
Data and instructions are both stored in main memory
What is the purpose of secondary storage?
To hold data and programs that are currently in use
To store data and programs long-term
To extend random access memory (RAM)
Which of the following is a benefit of cloud storage?
Files can be backed up remotely
Files can be accessed quickly
Files can be edited and created in the browser
What are the two types of main memory?
RAM and ROM
Flash memory and cache memory
Flash memory and virtual memory
What is RAM?
An internal component which holds data and programs that are not currently in use
An external component which holds data and programs that are currently in use
An internal component which holds data and programs that are currently in use
Which of these optical media can be written to once by a user but read many times?
CD-R
CD-ROM
CD-RW