Exam Questions and CORRECT Answers
Computers use a numbering system with only two digits, 0 and 1.This system is referred to as
which of the following? - CORRECT ANSWER C. Binary
A bit can have a binary value of which of the following - CORRECT ANSWER A. 0 or 1
A byte consists of ___ bits - CORRECT ANSWER C. 8
If 1 bit can have twp unique possibilities, 2 bits can have four unique possibilities, and 3 bits can
have eight unique possibilities. This is known as the power of 2. How many unique possibilities
are there in 8 bits. - CORRECT ANSWER D. 256
When the letter A is represented as 21h, it is displayed in which of the following? - CORRECT
ANSWER A. Hexadecimal
What is the decimal integer value for the binary code 0000-1001? - CORRECT
ANSWER B. 9
Select all of the following that depict a Dword value. - CORRECT ANSWER C and D are
32 bit values
C. FF 00 10 AF
D. 0000 0000 0000 0000 0000 0000 0000 0001
How many characters can be addressed by the 7-bit ASCII character table? 16-bit Unicode? -
CORRECT ANSWER D. 128 and 65,536