Question

Multiple Choice
11. The ________ is the agreed-upon interface between all the software that runs on the machine and the hardware that executes it. It allows you to talk to the machine.
A) hardware protocol
B) software protocol
C) machine control architecture
D) instruction set architecture

12. A ________ consists of an arithmetic logic unit and a control unit.
A) processor
B) computer
C) register
D) program

13. ________ are typically used by companies for specific applications such as data processing and financial transactions.
A) Laptop computers
B) Personal computers
C) Mainframe computers
D) Supercomputers

14. A byte stores:
A) one word.
B) one sentence.
C) one bit.
D) one character.

15. Which of the following is the largest unit of storage?
A) KB
B) TB
C) GB
D) MB

16. The ________ is a processor designed to perform complex calculations required for image rendering.
A) central processing unit
B) graphics processing unit
C) digital-to-analog converter
D) frame buffer

17. The mechanical computer that included mechanisms that provided memory and an arithmetic processing unit was the:
A) Pascaline.
B) Difference Engine.
C) Atanasoff-Berry Computer.
D) von Neumann calculator.

18. The level of the computer hierarchy where an operating system functions is the:
A) control level.
B) machine level.
C) system software level.
D) digital logic level.

19. Platform as a Service (PaaS) replaces the _________ of the computer hierarchy with an Internet-based platform.
A) digital logic level through user levels
B) digital logic level through high-level language levels
C) system software level through high-level language levels
D) digital logic level through machine levels

20. ________ states that any task done by software can also be done using hardware and vice versa.
A) Moore’s Law
B) The Principle of Equivalence of Hardware and Software
C) Rock’s Law
D) Hardware protocol

21. Traps and exceptions are also called:
A) latency interrupts.
B) software interrupts.
C) hardware interrupts.
D) IRQs.
22. ________ is a special high-speed memory built into the microprocessor chip.
A) L1 cache
B) L2 cache
C) RAM
D) SDRAM

23. Passive matrix and active matrix technology refer to:
A) input devices.
B) system buses.
C) LCD monitors.
D) scanners.

24. Which of the following is a computer that used third-generation (integrated circuit) technology?
A) IBM 360
B) Atanasoff-Berry computer
C) PDP-1
D) CDC 6600

25. There are ____________ kilobytes in a megabyte.
A) 210
B) 220
C) 230
D) 240

26. There are ____________ kilobytes in an exabyte.
A) 220
B) 230
C) 240
D) 250

27. The ability to add and remove devices while the computer is running is called:
A) EIDE.
B) serial advanced technology.
C) hot plugging.
D) peripheral component interconnect.

28. 2’s complement representation can represent:
A) both positive and negative numbers.
B) negative numbers only.
C) positive numbers only.
D) only numbers greater than 9 bits in length.

29. The range of positive integers possible in an 8-bit two’s complement system is:
A) 1 to 256.
B) 1 to 127.
C) 1 to 255.
D) 1 to 128.

30. _________ is the 2’s complement of 00001111.
A) 11110000
B) 11110001
C) 11111111
D) 10001111

31. The _______ is a network of registers and ALUs connected by buses.
A) program counter
B) data path
C) control unit
D) central processing unit

32. Suppose that a 32MB system memory is built from 32 1MB RAM chips. How many address lines are needed to select one of the memory chips?
A) 4
B) 5
C) 8
D) 32

33. The __________ is a group of bits that tells the computer to perform a specific operation.
A) program counter
B) opcode
C) register
D) microoperation

Answer 1