Here are some computer test and examination questions that will help learners school high grade in their examination. This test and examination questions will also make the teacher set his/her exam questions easily.

Computer Jss 2 Test and Examination

1) ____________ system can be described as a system or technique of counting. (a) Numbre (b) Nambre (c) Number (d) Octal

2) Convert 36₇  to base 2. (a) 27₂  (b) 11011₂ (c) 25₂ (d) 1011₂

3) Convert decimal number 1024 to octal number. (a) 2000₈ (b) 200₈ (c) 20₈ (d) 20000₈

4) ___________ is one binary digit and the smallest unit of information that can be stored in computer. (a) Bit (b) byte (c) kilobyte (d) bite

5) ____________ is made up of eight bits. (a) bit (b) byte (c) kilobyte (d) bile

6) One kilobyte is equivalent to _____________ bytes. (a) 1021 (b) 1022 (c) 1023 (d) 1024

7) If one bits of information is equal to 8bits; 4 bytes will be __________ bits. (a) 23 (b) 32 (c) 34 (d) 43

8) If one gigabyte is equal to 1000 megabytes; 40 gigabytes will be ___________ megabytes. (a) 90,000 (b) 20,000 (c) 40,000 (d) 30,000

9) _____________ is a means of representing one thing by something else.  (a) Secrecy (b) code (c) ASC (d) EBDCI

10) ASCII stands for (a) America standard code for info inter (b) America standard code for information interchange (c) American standard code for information interchange (d) American standard coding for information interchange.

11) ___________ is a sixteen – bit code designed to support international languages like China and Japanese. (a) ASCII (b) EBCDIC (c) Unicode (d) code

12) Which of the following types of coding was developed by IBM? (a) ASCII (b) EBCDIC (c) Unicode (d) code

13) _____________ is a standardized communication technique for expressing instructions to a computer. (a) Crucial language (b) computation language (c) computer language (d) program language

14) ___________ is a computer programming language that is machine dependent. (a) Low – level language (b) machine language (c) high – level language (c) assembly

15) __________ is a process of detecting, locating, and correcting logical or syntactical errors in a computer program. (a) Debugging (b) algorithms (c) flow charts (d) debugger

16) ___________ are sequence of steps involved in solving a particular problem. (a) Debugging (b) algorithms (c) flow charts (d) debugger

17) ___________ is a diagram that represents the sequence of actions or operations in a process. (a) Debugging (b) Algorithms (c) flow charts (d) debugger

18) _____________ is a low-level programming language that can understand directly by a computer’s central processing unit. (a) Machine language (b) high – level language (c) assembly language (d) operating language

19) Add 127₈ to 302₈ to 302₈ (a) 413₈ (b) 429₈ (c) 431₈ (d) 492₈

20) By how much is 366₈ greater than 257_8. (a) 106₈ (b) 107₈ (c) 105₈ (d) 104₈

                                                                                                                                            SECTION B (Theory)

1) What is a bit?

1b) If one megabyte is equivalent to 1000 kilobytes, 90 megabytes will be how many kilobytes.

2) Define the following.

i) High – level languages and give five (5) examples.

ii) Low – level language

iii) Machine language

iv) Assembly language

2b)  Full meaning of : (i) ASCII (ii) EBCDIC

3a) What is computer

b)  List four (4) characteristics of a computer.                                                                                        

c)  Mention two examples of input devices and output devices.

4a) convert 120₅ to base 7.