1.   All data manipulated by computers must be in format.
2.   Computers cannot process images because they have no way of representing pictures.
True
False
3.   The decimal system has a base of 10, while the hexadecimal system has a base of:
2
8
16
4
4.   One of the following numbers is illegal in base 4:
1234
3320
10000
111111
5.   The decimal equivalent of the number (200)5 is :
125
1000
600
None of the above
6.   The decimal equivalent of the number (200)3 is:
600
180
9
18
7.   The binary equivalent of the number (700)16 is:
000000000111
11100000000
0111
111000000
8.   The octal equivalent of the number (700)16 is:
1000
700
3400
7000
9.   The octal equivalent of the number (1100010)2 is:
310
142
304
320
10.   The hexadecimal equivalent of the number (1100010)2 is:
610
A4
62
None of the above
11.   The hexadecimal equivalent of the number (10)10 is:
A
16
10
None of the above
12.   The binary equivalent of the number (20)10 is:
11001
10111
10101
10100
13.   The signed-magnitude binary representation of the number +27 is:
00011011
11111011
11011000
None of the above
14.   The signed-magnitude binary representation of the number -227 is:
11111111
10000000
01111111
None of the above
15.   Using 8-bits signed-magnitude representation, the range of numbers that can be represented is:
-128 to +128
-255 to +255
-127 to +127
-256 to +256
16.   Using the same number of bits, both the signed-magnitude and 1's complement representations will have the same range.
True
False
17.   All signed-number representations suffer from the zero double representation problem.
True
False
18.   The 1's complement representation of signed-numbers is the most widely used in computers.
True
False
19.   The 2's complement representation of –34 is:
11100010
11011110
01100010
00100010
20.   Overflow can occur when adding two numbers with the same sign.
True
False
21.   A bit is added to data for error checking/detection.
22.   The code is the most popular binary codes for character representation in computers.
23.   The is a 16-bit code that can represent all the characters in all the languages of the world.
24.   The binary data 0000000 with even parity becomes:
00000000
10000000
00000001
None of the above
25.   The binary data 0000000 with odd parity becomes:
00000000
10000000
00000001
None of the above