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Q1— Section header —
1.5\in the ANSWER BOOK.
1.1n operating system that is used on large network systems: OS2
1.2Which operating system was the first system to make use of the GUI environment? Apple OS Windows
1.3Which operating system has the idea of Apple OS Windows Linux
1.4Which ONE of the following is an example of a first generation language? Fortran
1.5The data type of the variable that can store only a true or false value
Q2— Section header —
2.5\n the ANSWER BOOK.
2.1RAM stands for random access memory
2.2A hard disk is a stable data storage device consisting of platters and needles.
2.3The word codec comes from coder decimal.
2.4Soft copy refers to information displayed on the screen and not a printout.
2.55
Q3— Section header —
3.10\n the ANSWER BOOK. COLUMN A COLUMN B
3.10MS Power oint MS Excel, Quattro Pro MS Outlook MS Windows, MS
Q4— Section header —
4.1During computer programming, the compiler will detect certain kinds of mistakes and will write out an error message when it finds a mistake. What are THREE main types of program errors? (3\
4.2What type of error(s\s discovered by the compiler? (1\
4.3If you omit a punctuation symbol from a program, an error is produced. What type of error is this? (1\
4.4Suppose you write a program that has to compute the interest on a bank account at a bank that computes interest on a daily basis, and you mistakenly write a program that computes interest on an annual basis.
4.5What does the acronym BASIC stand for? (2\
4.6Loops within a BASIC program enable the execution of a small program to be repeated several times. Give the TWO statements associated with BASIC loops. (2\ [10]10
Q5— Section header —
5.1Explain the following terms:
5.1.1it
5.1.2yte
5.1.3bb le
5.1.4
5.2When executing mathematical formulae, the priority of execution may be controlled by the programmer. Explain how the programmer may control the execution of mathematical formulae. (4\
5.3Why would you consider a compact disk as a permanent means for storing data? (2\ [14] 604003414
Q6— Section header —
6.1Standard flow chart symbols are used by the computer programmer in the initial phase of programming development. Name each of the following flow chart symbols:
6.1.8(8 1\ (8\
6.2List SEVEN steps to be followed when writing BASIC programs. (7\
6.3When a computer program is executed certain small programs called subroutines are executed , for example when exam marks are processed. Write brief notes on the need for small subroutines. (4\ [19]19
Q7— Section header —
7.1What does CPU stand for? (1\
7.2What is the purpose of RAM in a computer? (2\
7.3What is the purpose of ROM in a computer? (2\
7.4What is non volatile memory (2\
7.5Name THREE advantages of non volatile memories. (3\
7.6The floppy disk was a means of storing data/programs in the 80's. List SIX reasons why you would not recommend the use of a floppy disk as a means of storing data in the modern day computer office (6\
Q8— Section header —
8.1List FIVE main categories of computers. (5\
8.2Differentiate between parallel communication and serial communication that take place in a computer. Name THREE differences.
Q9— Section header —