The physical layer concerns with____________________?
(A) bit-by-bit delivery
(B) process to process delivery
(C) application to application delivery
(D) none of these
A personal computer is designed to meet the computing needs of a(n)__________________?
(A) individual
(B) department
(C) company
(D) city
DNS database contains__________________?
(A) name server records
(B) hostname-to-address records
(C) hostname aliases
(D) all of these
The physical layer is responsible for__________________?
(A) line coding
(B) channel coding
(C) modulation
(D) all of these
E-mail is_____________________?
(A) Loss-tolerant application
(B) Bandwidth-sensitive application
(C) Elastic application
(D) None of these
The most frequently used piece of hardware for inputting data is ___________________?
(A) Keyboard
(B) Floppy disk
(C) Cursor
(D) Software
The _______________ takes on different shapes depending on the task you are performing?
(A) active tab
(B) insertion point
(C) mouse pointer
(D) ribbon
The arithmatic/logic unit performs the following actions__________________?
(A) checks data for accuracy
(B) does calculations using addition, substraction, multiplication, and division
(C) does logical comparisons, such as equal to, greater than, less than
(D) does both calculations and logical comparisons