超星 - unit2 作业 - 查题吧

单选题

A characteristic of Operating System is ( ).

A. resource management
B. memory management
C. storage structure
D. schema details

单选题

Assembly-language instructions are a series of ( ).

A. 0s and 1s
B. abstract codes
C. machine codes
D. words

单选题

Software engineering is some certain ( ).

A. programs
B. methods
C. products
D. managements

单选题

( ) refers to the number of individual dots of color, known as pixels, contained on a display.

A. Dot Pitch
B. Resolution
C. Refresh Rate
D. Scan Style

单选题

A processor is composed of two functional units, they are ( ) .

A. an arithmetic/logic unit and a storage unit
B. a control unit and some registers
C. a control unit and an arithmetic/logic unit
D. some registers an arithmetic/logic unit

单选题

The ( ) serves as an interface between hardware and software.

A. system
B. application program
C. operating system
D. control unit

单选题

Most operating system have a standard set of ( ) to handle the processing of all input and output instructions.

A. spreadsheet
B. control instructions
C. I/O operation
D. data table

单选题

( ) uses commands that are easier for programmers to understand than are machine language commands.

Assembly language
B. High-level language
C language
D. C++ language

判断题

B. Identify the following Sentencesto be True or False (判断下列句子是真是假 )1. A register is a storage location outside the processor. ( )

A. 对
B. 错

判断题

The ALU performs arithmetic computations and logical operations. ( )

A. 对
B. 错

2