Computer Past Questions And Answers
391
(a) Explain two differences between an Algorithm and a Flowchart.
(b) List three examples of utility programs.
(c) Draw a flowchart of the stops to be used in updating a customer's balance.
View Discussion (0)WAEC 2020 THEORY
392
The way of manipulating data into information is called
- A) organizing
- B) transmission
- C) storing
- D) processing
393
Which of the following items changes shape depending on the task being performed?
- A. Ribbon
- B. Active tab
- C. Insertion point
- D. Mouse pointer
394
Quantitative data can exist in
- A. continuous form only
- B. continuous and discrete forms
- C. nominal and ordinal forms
- D. ordinal form only
395
The computer hardware can be classified into
- A. ALU and Control Unit
- B. System Unit and Peripheral
- C. Central Processing Unit and Control Unit
- D. Input and Output Units
396
Who owns the Internet?
- A) Internet Architecture Board
- B) No one owns it
- C) Internet Engineering Task Force
- D) ICANN
397
Express P(1 + \(\frac{R}{100}\))\(^N\) as a BASIC programming notation.
- A. P x (1 + R
- B. P * (1 + \(\frac{R}{100}\))\(^N\)
- C. P x (1 + R
- D. P *(1 + R
398
Which of the following memory types are nonvolatile? I. PROM II. SRAM II. EEPROM IV. DRAM
- A. I and lll only
- B. I and IV only
- C. Il and ll only
- D. IIl and IV only
399
Which of the following statements is true for a circuit Switching communication system?
- A. It is not ideal for a real-time communication
- B. Messages must be divided into packets before they are sent
- C. It does not require any dedicated channel to be established between two parties
- D. A dedicated channel must be established between two parties through the period of Communication
400
Which can be the input and output devices both?
- A. Scanner
- B. Touch screen monitor
- C. Speaker
- D. Digitizer