Data to be processed by the microprocessor is temporarily stored in the?
- A. auxiliary storage
- B. backing storage
- C. main storage
- D. random access memory.
Which of the following is not a computer output device?
- A. Disk
- B. Plotter
- C. Printer
- D. Speaker
Which of the following can be described as the brain of the computer hardware?
- A. BIOS
- B. microprocessor
- C. RAM chip
- D. system clock
A common communication pathway shared by hard- ware components in the computer is called?
- A. bus
- B. channel
- C. firmware
- D. register.
The primary memory of the computer can be divided into?
- A. register and random access memory
- B. mass storage and read only memory
- C. volatile memory and auxiliary memory
- D. random access memory and read only memory.
The full meaning of the acronym ENIAC is?
- A. Electronic Numerical Integrator and Calculator.
- B. Electronic Numerical Integrator and Computer
- C. Electronic Numerical Integration Automatic Calculator
- D. Electronic Numerical Integrated Automatic Calculator
Which generation of computers used vaccum tubes in their circuitry?
- A. First generation
- B. Second generation
- C. Third generation
- D. Fourth generation.
Which of the following was used by Joseph Marie Jacquad in inventing the Loom?
- A. Punched card
- B. Smart card
- C. Smart chip
- D. Sound card.
Which of the following is true about raw data?
- A. It is well categorized
- B. It exists in oral form only
- C. It exists in written form only
- D. It cannot be relied on to make decision.
Arrange in a hierarchical order by date, the following inventions: I. slide rule; Il. pascaline; IIl, analytical engine; v. difference engine.
- A. I, lI, IV and llI
- B. II, IV, and Il
- C. III, IV, II and I
- D. I, II, IIl and IV.
Which of the following represents features of a computer?
I. It is constructed from electronics components.
II. It has self regeneration capability.
IlI. It has facility for storage of data and programs.
IV. It has provision for input and output data.
- A. I, Il and ll only
- B. I, II and IV only
- C. I, IIl and IV only
- D. II, Ill and IV only.
The first calculating device is the?
- A. Abacus
- B. Census machine
- C. Difference engine
- D. Napier bones.
(a) Define algorithm. (b) State three characteristics of an algorithm. (c) Write an algorithm for finding the average of numbers, when the sum of the numbers is given.
(a) List the two main constituents of a computer (b) State four characteristics of a computer.
(c) In a tabular form, categorize each of the following statements into either data or information: (i) It is no significant alone by itself; (ii) It is significant by itself
(iii) It is obtained through observations and recordings (iv) It is obtained through analysis.
(a) Define the term system development cycle. (b) List four stages involved in system development cycle (c) State four qualities of a good program.
(a) What is a computer file?
(b) State two features each of: (i) transaction file (ii) reference file.
(c) List two: (i) effects of file insecurity (ii) methods of securing files.
(a) Define the term operating system. (b) State two functions of an operating system. (c) List two types of: (i) application software (ii) translators
(d) You were asked as a school prefect to compile the personal data of final year students in your school. State two software that could be used to perform the task.
The number of cells that contain numeric data in the table above is?
- A. 4
- B. 8.
- C. 9.
- D. 12.
Use the MS-Excel below to answer this question.
| A | B | C | D | |
| 1 | BOOKS | SUPPLIED | TO SENIOR | HIGH SCHOOL |
| 2 | FORMS | MATHS | ICT | ENGLISH LANGUAGE |
| 3 | SHSI | 2456 | 6580 | 5678 |
| 4 | SHSII | 3450 | 4009 | 4400 |
| 5 | SHSIII | 8765 | 4500 | 9000 |
The number of cells that contain data in row 1 is?
- A. 1.
- B. 3.
- C. 4.
- D. 5.
Use the MS-Excel table below to answer questions 48 to 50.
| A | B | C | D | |
| 1 | BOOKS SUPPLIED TO SENIOR HIGH SCHOOL | |||
| 2 | FORM | MATHS | ICT | ENGLISH LANG |
| 3 | SHS I | 2456 | 6580 | 5678 |
| 4 | SHS II | 3450 | 4009 | 4400 |
| 5 | SHS III | 8765 | 4500 | 9000 |
The content of cell D3 is?
- A. 3450.
- B. 4400.
- C. 4500.
- D. 5678.
9\(_{10}\) is equivalent to X\(_8\), where X is?
- A. 7.
- B. 10.
- C. 11.
- D. 12.