ACA 1

A source program is usually in _______

• Assembly language

• Machine level language

• High-level language

• Natural language

The time delay between two successive initiation of memory operation _______

• Memory access time

• Memory search time

• Memory cycle time

• Instruction delay

What is a dedicated computer?

• Which does one kind of software

• Which is meant for application software only

• Which is used by one person only

• Which is assigned to one and only one task

Processor without structural hazard is

• Faster

• Slower

• Have longer clock cycle

• Have larger clock rate

A collection of lines that connects several devices is called ..............

• bus

• peripheral connection wires

• Both a and b

• internal wires

The access time of memory is ............... the time required for performing any single CPU operation.

• Longer than

• Shorter than

• Negligible than

• Same as

A pipeline is like ....................

• an automobile assembly line

• house pipeline

• both a and b

• a gas line

Data hazards occur when .....................

• Greater performance loss

• Pipeline changes the order of read/write access to operands

• Some functional unit is not fully pipelined

• Machine size is limited

What is the control unit's function in the CPU?

• To transfer data to primary storage

• to store program instruction

• to perform logic operations

• to decode program instruction

Pipeline implement

• fetch instruction

• decode instruction

• calculate operand

• execute instruction

• all of abve