A lambda expression represents a(n) ________ method—a shorthand notation for implementing a functional interface.
a. functional
b. unnamed
c. undesignated
d. anonymous
d. anonymous
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MC What is Python’s sequence slicing ability?
a) Splitting a sequence into multiple sequences. b) Accessing a series of sequential values within a sequence. c) Compressing multiple sequences into one large sequence. d) None of the above.
Answer the following statements true (T) or false (F)
1) Hardware refers to the instructions that command computers to perform actions and make decisions. 2) The re regular-expression module provides pattern-based text manipulation in Python. 3) The ALU provides temporary storage for data that has been entered through the input unit. 4) Software systems called batches manage the transition between jobs. 5) Assemblers convert high-level language programs to assembly language at computer speeds.
Answer the following statements true (T) or false (F)
1. The first programmable machine was a mechanical calculator designed by Charles Babbage. 2. Ada Byron is generally acknowledged as the world’s first programmer, due to her work on Babbage’s Analytical Engine. 3. An electromagnetic relay is a mechanical switch that can be used to control the flow of electricity through a wire. 4. Vacuum tubes, as they have no moving parts, enable the switching of electrical signals at speeds far exceeding those of relays. 5. Although they were large and expensive by today’s standards, early computers such as the MARK I and ENIAC were comparable in performance (memory capacity and processing speed) to modern desktop computers.
The Class A network is defined by what subnet mask?
A. 255.0.0.0 B. 255.255.0.0 C. 255.255.255.0 D. 255.255.255.255