Chapter: 01. Categories Of Computers And Computer Languages
Section A: Multiple Choice Questions (5 Marks)
Choose the correct option for each question. Which type of computer measures continuously changeable physical quantities like voltage or pressure?
a. Digital
b. Analog
c. Hybrid
d. Supercomputer A laptop is an example of which category of computer based on size?
a. Minicomputer
b. Mainframe
c. Microcomputer
d. Supercomputer Which of these languages is understood directly by the computer, consisting only of 0s and 1s?
a. Assembly Language
b. High-Level Language
c. Machine Language
d. Fourth Generation Language What is the process of writing a computer program called?
a. Translating
b. Operating
c. Programming
d. Debugging Which type of language translator converts the entire source program into machine language before executing it?
a. Assembler
b. Interpreter
c. Compiler
d. Debugger Section B: Fill in the Blanks (5 Marks)
Complete the following sentences with the correct word(s). A _ _ _ _ _ _ _ _ _ _ _ _ _ _ computer combines features of both digital and analog computers. An _ _ _ _ _ _ _ _ _ _ _ _ _ _ is a computer that provides data and other services to other computers in an office. The alphanumeric symbols used in assembly language are called _ _ _ _ _ _ _ _ _ _ _ _ _ _. High-level languages are considered _ _ _ _ _ _ _ _ _ _ _ _ _ _ because they are closer to human languages. An _ _ _ _ _ _ _ _ _ _ _ _ _ _ is a special type of microprocessor-based system developed for performing a specific task within a device. Section C: True or False (5 Marks)
Write ‘True’ or ‘False’ for each statement. Digital watches are examples of analog computers. Desktop computers are easy to carry around because of their portability. Supercomputers are the largest and fastest of all types of computers. Machine language is very easy for programmers to use. An interpreter translates and executes a program one statement at a time. Section D: Short Answer Questions (6 Marks)
Answer the following questions in one or two sentences. What is a Personal Digital Assistant (PDA)? Name two specific tasks that supercomputers are used for. What is the main advantage of high-level languages over low-level languages? Section E: Identify and/or Differentiate Concepts/Processes (6 Marks)
Answer the following questions by identifying or differentiating the concepts. Differentiate between a General Purpose Computer and a Special Purpose Computer. Identify whether each is an example of a Microcomputer, Minicomputer, or Mainframe Computer:
a. IBM zSeries
b. Laptop
c. PDP-11 Section F: Diagram-Based Questions (4 Marks)
Observe the image below, which shows a medical device. a. What type of computer category would this medical device most likely belong to, based on its functioning?
b. Explain why this device fits into that category, considering what it measures and displays.
Section G: Long Answer Questions (8 Marks)
Answer the following questions in 2-4 sentences. Explain how computer languages are classified into low-level and high-level, and briefly describe the key characteristics of each category. Describe three advantages of using high-level languages for writing computer programs.