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VB Theory basics Questions
The best way to learn the basics is to try working out examples
1.0.1 What is the difference between lowlevel and high level languages
1.0.2 What is a program
1.0.3 What is the difference between a program and its output
1.0.4 What does debugging mean
1.0.5 What is a variable
1.0.6 What is a constant
1.0.7 What are the basic maths opperators
1.0.8 How do you store values into variables
1.0.9 How do you define a variable
1.0.10 What type of variables are there and what do they store
1.0.11 True/False can you store integer values in a string variables
1.0.12 True/False can you store Alpha numeric strings in Singles variables
1.0.13 True/False can you store Alpha numeric strings in Variant variables
1.0.14 True/False can you store numeric values with decimals in Variant variables
1.0.15 True/False can you store numeric values with decimals in Long variables
1.0.16 True/False can you store numeric values with decimals in Single variables
1.0.17 True/False can you store numeric values with decimals in Double variables
1.0.18 True/False can you store numeric values with decimals in Integer variables
1.0.19 Which of the following are Strings , Integers , Single or Double , Boolean
| 1 | "Hello" |
| 2 | "21.2" |
| 3 | 21.2 |
| 4 | 12421 |
| 5 | 452514541.21 |
| 6 | "False" |
| 7 | "True" |
| 8 | "A1" |
| 9 | B12 |
| 10 | 1234 – 321 |
1.0.20 What code will return this sequence on numbers
10
20
30
1.0.21 What code will return this sequence on numbers
1
11
21
31
1.0.22 What code will return this sequence on numbers
40
30
20
10
1.0.23 What is the difference between msgbox and inputbox
1.0.24 What is the result of the following expressions
| 1 | 1+2+3 * 4 |
| 2 | (1+2) * 12 /4 |
| 3 | 1+2*(12/4) |
| 4 | (1+(12-(3+3))) |
| 5 | Left("12345",3) |
| 6 | Right("abcdef",4) |
| 7 | mid("abcdefg",3,4) |
| 8 | (1-3)+(5-4)*3 |
| 9 | Left("abcdefgh",3) & mid("abcdefgh",5,4) |
| 10 | Len(Right("abcdef",4) & "123") |
| 11 | Len("abcdef")+ 2+3 * 4 |
| 12 | Int(3.217)-2*5 |
1.0.25 What is the difference between a DO WHILE loop and a WHILE loop
1.0.26 What is a loop
1.0.27 What is a nested loop
1.0.28 What happens if the test expression in a loop becomes false
1.0.29 Write a loop using a string array to print all the days of the week
1.0.30 What does the following expressions return
| 1 | Str(12345) |
| 2 | Cstr(123.456) |
| 3 | Val("ABCD") |
| 4 | Val("1234") |
| 5 | Cvar("123") |
| 6 | CVDate("1 jul 99") |
| 7 | Clng("123456") |
| 8 | Cbyte("A") |
| 9 | Ccur("123.456") |
| 10 | Cdec(12.345) |
| 11 | CDbl("12345.34") |
| 12 | Int(1234.5678) |
| 13 | Cint(1234.5678) |
| 14 | CVDate("6 june 1999") |
| 15 | DateDiff("d",Now,#1/1/2000#) |
| 16 | Now |
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