Computer Architecture Questions

1) The Little Man instruction set is based on a decimal number system; real computers encode instructions and data using thea) binary system.b) Unicode system.c) decimal system.d) algebraic system.

30) Multimedia applications, like modifying an image, often usea) PSW instructions.b) Flash instructions.c) MMD instructions.d) SIMD instructions.

31) The sources and destinations of data for an instruction are known asa) Op codes.b) Operands.c) Op registers.d) Operation fields.

32) Increasing the number of bits available for the op code in an instruction worda) increases the demand on the CPU.b) increases the number of memory locations that can be addressed.c) increases the number of instructions available in the instruction set.d) has no impact on any of the above.

26) A bus that carries signals from a single specific source to a single specific destination is a(n)a) simplex bus.b) broadcast bus.c) Ethernet bus.d) point-to-point bus.

27) Virtually every bus internal to the CPU isa) serial.b) cables.c) optical.d) parallel.

14) There would never be a reason for an address transfer from the ________ to another register within the CPU.a) IRb) PCc) MARd) MDR

28) Instructions that only the operating system can execute are calleda) system instructions.b) executive instructions.c) privileged instructions.d) administrative instructions.

23) A bus line that is "one-way" is calleda) a simplex bus line.b) a serial bus line.c) a one-way bus line.d) a sequential bus line.

10) The mailboxes in the LMC model are the equivalent to a real computer'sa) CPU.b) ports.c) memory.d) control unit.

29) Programs that execute without privileges are said to executea) in user space.b) in data mode.c) in kernel space.d) in privilege space.

24) A bus line that can carry data in both directions at the same time is called aa) simplex bus line.b) complex bus line.c) full duplex bus line.d) half duplex bus line.

25) The exposed connectors into which external cables can be plugged are often calleda) plugs.b) lines.c) ports.d) stacks.

12) If the Memory address register is 8 bits wide, the number of possible memory addresses isa) 8b) 16c) 64d) 256

17) Flash Memorya) is volatile.b) is faster than standard RAM.c) has unlimited rewrite capacity.d) is nonvolatile.

11) Which of the following is NOT one of the three lines that control the memory cell?a) Skew lineb) Address linec) Read/write lined) Activation line

22) A bus that transfers data sequentially, one bit at a time using just a single line pair is calleda) a serial bus.b) a single bus.c) a narrow bus.d) a sequential bus.

13) Memory that retains its values when power is removed is calleda) DRAM.b) SRAM.c) volatile.d) nonvolatile.

20) Optical conductors area) faster than electrical conductors.b) cheaper than electrical conductors.c) more common than electrical conductors.d) all of the above.

19) The physical connections that make it possible to transfer data from one location in the computer system to another are calleda) flags.b) fibers.c) buses.d) peripherals