SST Yr7 NCCE - Data & Information 2

Question 1: Part of the ASCII character set is below: Which series of bits represents the word "FED"?

• A 01000010 01000101 01000100
• B 01000100 01000101 01000110
• C 01000110 01000100 01000101
• D 01000110 01000101 01000100

Question 2: Which of the following is not a type of validation check?

• A Character
• B Double entry
• C Existence
• D Presence

Question 3: Which type of image does not pixelate when enlarged?

• A Bitmap
• B Hexadecimal
• C Photographic
• D Vector

Question 4: How many megabytes are in 5 gigabytes?

• A 5
• B 5000
• C 50,000
• D 500,000

Question 5: Identify the binary number that represents the denary number 5.

• A 0111
• B 1010
• C 1111
• D 0101

Question 6: Which of the following is a character set?

• A ASCII
• B Binary
• C Pixels
• D Uni-character

Question 7: Which data type would be most appropriate for a computer program to use to store numbers that do not need calculations applied to them, for example a telephone number, or credit card number? Identify the most appropriate data type to use to store these values.

• A Boolean
• B Integer
• C Real
• D String

Question 8: An image uses 8 bits to represent each colour. How many colours can it represent?

• A 8
• B 128
• C 256
• D 1000

Question 9: A denary number is base …

• A 1
• B 2
• C 10
• D 11

Question 10: Identify the statement that gives ALL the reasons why the string 'hello world' does not equal the string 'HelloWorld'.

• A Capitals and lower-case letters have different values, you cannot have a space in a string
• B Space has a value that is missing in the second string, and lower-case and capitals have different values
• C You cannot have a space in a string, and the string cannot start with a capital letter
• D You cannot start a string with a capital letter, and space has a value that is missing in the second string