Computers Questions

• Which of the following is not an enhancement to the Pentium that was unavailable in the 8086/8088?
• Which of the following is not a computer functional block?
• A 20-bit address bus can locate ________.
• Polled I/O works best when ________.
• Which microprocessor has multiplexed data and address lines?
• A mnemonic is an English-like instruction that is converted by an assembler into a machine code for use by a processor.
• Machine language is independent of the type of microprocessor in a computer system.
• Chip designers are always trying to increase the clock speed.
• Polling is the process of pausing the normal sequence of instructions to cause the processor to execute a separate set of I/O instructions instead.
• Instructions for the 80X86 family are downward compatible.
• A coprocessor is a microprocessor designed with a limited instruction set optimized to perform arithmetic operations very quickly.
• The original Pentium was the first CPU to feature separate data and instruction caches.
• The Pentium can execute two instructions at once.
• The Power PC can effectively execute up to ten instructions per clock cycle.
• The PCI bus is a good example of an external bus for personal computers.
• Contiguous sequences of bytes or words are called ________.
• An example of a unidirectional bus in a microcomputer system is the ________.
• The MOV, PUSH, and POP instructions are all part of which type of instruction?
• The AND, OR, and TEST instructions are all part of which type of instruction?
• The ADD, CMP, and MUL instructions are all part of which type of instruction?