What is a general purpose computer?
A computer found in a digital watch
A computer designed to perform more than one task
A small computer that forms part of a larger system
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
Registers, 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 contained within the processor
A small amount of high-speed read only memory contained within the processor
What is a core?
A second processing unit within a control unit (CU)
A system that has many processors
A processing unit within a CPU
What is cache memory used for?
Temporarily holding frequently used data and instructions
Extending the available RAM
Extending the available ROM
Which of these statements about Von Neumann architecture is true?
Only data is stored in primary memory
Only instructions are stored in primary memory
Data and instructions are both stored in primary memory
Which register holds the address of the next instruction to be fetched from memory?
Program counter
Memory address register (MAR)
Current instruction register (CIR)
What is an embedded system?