Second Term Examination
Class : SSS 2
Subject : Computer Studies
Duration : 2 Hours
Section A : Objective Questions
Instruction : Answer all questions in this section.
1. A collection of wire and through which data id’s transmitted from one part of a computer to another is known as ________. (a) Address (b) Bus (c) Register (d) Memory
2. Computer data Processing is grouped into the following Except one (a) Conversion (b) Manipulation (c) Register (d) Interpretation
3. The following are types of register Except ___________. (a) Mar (b) CIR (c) MDR (d) CRI
4. __________ register acts like a buffer and holds data that is transferred from the memory to the processor. (a) MDR (b) CIR (c) CPU (d) VDU
5. One of the following is Not a computer file classification? (a) Reference file (b) Random file (c) Master file (d) Transaction file
6. __________ is a collection of relates fields. (a) Data (b) Field (c) Record (d) File
7. The smallest unit of information stored in computer file is called ___________. (a) File (b) Data item (c) Record (d) Indexed
8. The following are types of file organization method Except ____________. (a) Serial (b) Sequential (c) Transaction (d) Indexed
9. A file with reasonable amount of permanence is known as ___________ file. (a) reference files (b) master files (c) transaction file (d) Serial file
10. ___________ refers to the unforeseen loss of data or information. (a) Backup (b) Data loss (c) Overwriting (d)) Antivirus
11. _________ is the process of making copies of files, so that the additional copies may be used to restore the original after data loss event. (a) Manipulating (b) Data Loss Event (c) Backup (d) Duplication
12. An occurrence of data loss can be called ____________. (a) Data loss event (b) Data loss occurrence (c) Data loss show (d) Data loss Occasion
13. The following are limitations of computerized file system Except one. (a) Vulnerable to virus attacks (b) Incompatible data file (c) Cheap to set it up (d) Data are often duplicated
14. The following are advantages of computer files over manual files Except one. (a) Slow and inefficient in processing of information (b) Accurate information and faster decision making (c) Take less space (d). More timely information can be produced
15. Who invented what actually became the World Wide Web? (a) Sir Tim Berners-Lee (b) James Brown (c) Isaac Newton (d) Dr. Sir J Thompson
16. A language of communication among network devices is known as ___________. (a) Protocol (b) Front Page (c) WWW (d) None of the above
17. Which of the following is not a web browser? (a) Apple safari Dream weaver (c) Google Chrome (d) Mozilla Firefox
18. W3 means _______________. (a) West West West (b) World Wide Web (c) World Wide West (d) All of the above
19. A website is a collection of __________ (a) multiple documents (b) web pages (c) home pages (d) web documents
20. URL means ___________. (a) Universal Resources Locator (b) Uniform Resource Identifier (c) Uniform Resource Locator (d) Union Resource Locator
Use the figure below to answer questions 21 and 22.
21. The logic gate in the above figure is called ___________. (a) AND gate (b) NAND gate (c) NOR gate (d) OR gate
22. The logic equation for the logic gate in the figure above is ____________. (a) Q = A + B (b) Q = A. B (c) Q = A + B (d) A. B
23. Ctrl + A is used to __________. (a) Save (b) Print (c) Paste (d) Highlight All
24. Which of the following is aweb browser? (a) Facebook (b) Google Chrome (c) You tube (d) Whatsapp
25. One megabyte is equivalent to _______ (a) 1000 x 1024 bytes (b) 1024 x 1024 bytes (c) 1024 x 1048 bytes (d) 1000 x 1000 x 1000 bytes
26. Which of the following computer files can be used for updating the master file? (a) Data (b) Program (c) Reference (d) Transaction
27. Which of the following is an effect of file Insecurity? (a) Password (b) Encrypted data (c) Data loss (d) Decryption
28. The longest key on the keyboard is called _________. (a) Space bar (b) Enter (c) Esc (d) Shift
29. Which one of the following is an external storage device? (a) Scanner (b) Printer (c) Diskette (d) Ram
30. __________ is regarded as the brain of the computer. (a) Output unit (b) Central Processing Unit (c) Memory Unit (d) Input Unit
31. Which of the following is a database management package? (a) Ms Word (b) Ms Access (c) Ms Power Point (d) MS Excel
32. Data can be defined as ___________. (a) raw fact (b) mixed fact (c) fact on print (d) process fact
33. The following are types of file organization method Except ____________. (a) Serial (b) Sequential (c) Transaction (d) Indexed
34. A file with reasonable amount of permanence is known as _________ file. (a) reference file (b) master file (c) transaction file (d) serial file
35. A language of communication among network devices is known as ___________. (a) Protocol (b) FrontPage (c) WWW (d) None of the above
36. Which of the following is an external storage device? (a) Scanner (b) Printer (c) Diskette (d) Ram
37. The following are types of file organization method Except ___________. (a) Serial (b) Sequential (c) Transaction (d) Indexed
38. The following are limitations of computerized file system Except one. (a) Vulnerable to virus attacks. (b) Incompatible data file (c) Cheap to set it up (d) Data are often duplicated
39. One of the following are Not a computer file classification? (a) Reference file (b) Random file (c) Master file (d) Transaction file
40. ______ is a collection of related fields. (a) Data (b) Field (c) Record (d) File
41. The keyboard command used to copy text in Ms-word document is ___________. (a) Shift + C (b) Ctrl + N (c) Ctrl + C (d) Ctrl + Alt + C
42. A high level language that can be converted to machine language is _______ (a) A Compiler (b) an editor (c) A utility program (d) An operating system
43. A table in a spreadsheet consists of ____________. (a) rows and columns (b) charts and columns (c) columns and records (d) field and records
44. The exchange of information over a network follows a set of rules called __________. (a) Transmission rules (b) Transfer rules (c) Channels (d) Protocols
45. Which of the following is secondary storage? (a) Random access memory (b) Read only memory (c) Auxiliary storage (d) Flash drive
46. Which of the following is used for typesetting document? (a) Ms-Word (b) Corel draw (c) Ms Excel (d) Ms PowerPoint
47. Which of the following is used to clear the screen in BASIC? (a) CLS (b) REM (c) LET (d) INPUT
48. The keyboard shortcut for ” undo” is ___________. (a) Ctrl + Y (b) CTRL + V (c) CTRL + U (d) CTRL + Z
49. The initial or main page of a website is known as ____________. (a) Website (b) URL (c) Home page (d) Web browser
50. Flash drive is an external ___________. (a) input (b) storage (c) output (d) processing
Section B : Theory
Instruction : Answer question one (1) and any other two (2) questions.
1a. Define Logic gate
b. Mention types of logic gate
c. Draw the symbol for each gates
d. State two (2) uses of logic gate.
2. Define the following terms ;
i. Computer files
ii. Record
iii. Field
iv. Register
3a. Outline steps to be taken when creating a sequential file.
b.) Mention two (2) factors affecting speed of data transfer.
4a. Explain Cyber crime.
b.) Mention three (3) sources of computer crime.
5a. Define File Insecurity.
b. State three (3) advantages of computer files over manual files