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COSC 1302 Exam 2 with correct Answers
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COSC 1302 Exam 2 with correct Answers
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COSC 1302 Exam 2 with correctAnswers
Which of the following is a popular central processing unit?
A. random access
B. modem
C. cycles per second
D. Pentium 4
E. Hertz - Answer -Pentium 4
Which of the following means that each memory location can be accessed by its
address?
A. Pentium 4
B. random access
C. Hertz
D. modem
E. cycles per second - Answer -random access
Which of the following is a unit of frequency?
A. Pentium 4
B. cycles per second
C. random access
D. modem
E. Hertz - Answer -Hertz
Which of the following is a device that allows a computer to connect to the Internet?
A. Pentium 4
B. modem
C. random access
D. cycles per second
E. Hertz - Answer -modem
The prefix nano refers to which power of ten?
Selected Answer:
A. 10-9
B. 10-12
C. 10-3
D. 10-6 - Answer -10-9
The prefix micro refers to which power of ten?
A. 10-12
,B. 10-3
C. 10-9
D. 10-6 - Answer -10-6
The prefix mega refers to which power of two?
A. 250
B. 240
C. 230
D. 210
E. 220 - Answer -220
The prefix giga refers to which power of two?
A. 240
B. 250
C. 220
D. 230
E. 210 - Answer -230
A von Neumann computer architecture is best characterized by which of the following?
A. program input device
B. read only memory
C. random access memory
D. stored-program concept
E. the use of disk drives - Answer -stored-program concept
Addressibility refers to which of the following?
A. the capacity of a memory device
B. the size of each addressable location
C. the number of bytes currently holding data in a memory device
D. the number of bits stored in each addressable location
E. the size of a memory address - Answer -the number of bits stored in each
addressable location
Which of the following contains the instruction register?
A. ROM
B. control unit
C. RAM
D. arithmetic/logic unit
E. auxiliary storage device - Answer -control unit
Which of the following contains the program counter?
A. RAM
B. arithmetic/logic unit
C. control unit
D. ROM
E. auxiliary storage device - Answer -control unit
, Which of the following is volatile?
A. control unit
B. RAM
C. arithmetic/logic unit
D. ROM
E. auxiliary storage device - Answer -RAM
Which of the following manages the fetch-execute cycle?
A. arithmetic/logic unit
B. auxiliary storage device
C. control unit
D. RAM
E. ROM - Answer -control unit
Which of the following executes an instruction once it is decoded?
A. arithmetic/logic unit
B. auxiliary storage device
C. RAM
D. ROM
E. control unit - Answer -arithmetic/logic unit
Which of the following best describes a register?
A. a large memory location in auxiliary storage
B. a memory location which stores a sum
C. a device that contains the arithmetic/logic unit
D. a device that contains the control unit
E. a small memory location in the central processing unit - Answer -a small memory
location in the central processing unit
The instruction register is used to store which of the following?
A. the number of programs executed
B. an instruction
C. the memory location of an instruction
D. the data used by an instruction
E. the number of program instructions executed - Answer -an instruction
The program counter is used to store which of the following?
A. an instruction
B. the memory location of an instruction
C. the number of program instructions executed
D. the data used by an instruction
E. the number of programs executed - Answer -the memory location of an instruction
Which of the following is referred to as the computer's bus?
A. the storage location for the currently executing program
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