Computer Studies Question for JSS 2 Students

Write T (true) and F (False) in the space below.

1. The first generation of computer was characterized by vacuum tube.______
2. The transistor was faster and more reliable than the vacuum tube_______
3. The high – level language was developed during the first Generation. _______
4. Integrated circuit marks the advent of the third generation of computer. _______
5. 5^th generation computer used transistors _______
6. Computer language are also called programming language _______
7. BASIC is an example of Assemble language ­­­­_______
8. High – level language require the use of translator _______
9. Machine language is referred to as first generation programming language. ______
10. Machine language contains only two set of numbers 0 and 1. __________

Write out the letters of the correct answers.

11. Which of the following did 2^nd generation technology computer use? (a) Integrated circuit (b) translators (c) vacuum tubes
12. The father of computer of _____ (a) Babbage (b) Hollerith (c) Aiken.
13. A complete electronic circuit on a silicon chip is ____ (a) vacuum tube (b) magnetic core (c) integrated circuit.
14. Counting in tens is referred to as _____ (a) Binary (b) Octal system (c) Decimal.
15. one _______ is equal to 1024 bytes (a) megabyte (b) kilobyte (c) gigabyte

THEORY

1. Define the following terms.

(a)    hardware

(b)   software

(c)    memory

2. Convert the following decimal to base indicated against them.

(a) 22 to base 3   (b) 38 to base 5  (c) 15 to base 2

3.   Convert the numbers in various bases to base 10.

(a) 11011₂    (b) 234₈  (c) 510₇      (d) 312_4.

4.   Perform the following arithmetical operation.

      (a)       1011₂                (b) 213₈  x 50₈             (c)  11₁₆  x  12₁₆ 

             +  1101₂

                                

                                     

1. (a)        Find the output of the program below.

10        INPUT A,B

20      READ A,B

30        LET C = A + B

45        PRINT C

50        DATA 5,10

(b)    state three function of an Operating System

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