The computer that combines the functions of both analog and digital computers is called ?
- A. Digital computer
- B. Analog computer
- C. Hybrid computer
- D. multipurpose computer
Computers manipulate data in many ways, and this manipulation is called ?
- A. batching
- B. utilizing
- C. processing
- D. upgrading
Which of the following monitors has only two colours
- A. colour monitor
- B. colour graphic adapter (CGA)
- C. dichrome monitor
- D. monochrome monitor
which communication channel allows the sending of information in one direction only?
- A. simplex mode
- B. half duplex mode
- C. duplex mode
- D. full duplex mode
Which of the following is an example of graphics software ?
- A. Microsoft word
- B. Adobe Illustrator
- C. Microsoft powerpoint
- D. MS Access
___ is the type of computer that is designed to operate on two states, 0 and 1.
- A. Analog computer
- B. Hybrid computer
- C. Digital computer
- D. micro computer
The term used to describe when new information replaces old information or data is
- A. file loss
- B. delete
- C. re-write
- D. overwrite
Which of these programming languages is the most suitable for a business data processing?
- A. BASIC
- B. ALGOL
- C. COBOL
- D. FORTRAN
The process where a programmer converts a program specifications into computer instructions is called ?
- A. Debugging
- B. Coding
- C. Testing
- D. System design
The diagrammatic representation of an algorithm is
- A. pseudocodes
- B. codes
- C. graphics
- D. flowchart
Which of the following allows devices on one network to communicate with devices on another network ?
- A. T-switch
- B. gateway
- C. modem
- D. multiplexer
Large computers are classified as
- A. desktops
- B. micro computers
- C. mini computers
- D. mainframe computers
What generation of computer is characterized by the use of vacuum tubes for circuitry and magnetic drums for main memory?
- A. second generation
- B. fourth generation
- C. first generation
- D. third generation
In technical feasibility, the priority is ?
- A. whether the probolem can be solved in the user's environment
- B. if the likely benefits outweight the cost of solving the problem
- C. whether the problem can be solved using existing technology and resources available
- D. whether the problem can be solved without causing any social issues
Which of these application packages can be used to create a spreadsheet ?
- A. Microsoft powerpoint
- B. Microsoft excel
- C. Macwrite
- D. Microsoft word
The two types of operating system are
- A. command line and graphical user interface
- B. translators and assemblers
- C. system software and application software
- D. UNIX and LINUX
What is the difference between internal and external modem
- A. external modems are PCI or ISA expansion cards while internal modems are traditionally plug into a serial port on the computer.
- B. internal modems are PCI or ISA expansion cards while external modems are traditionally plug into a serial port on the computer.
- C. external modems are PCI or ISA expansion cards while internal modems are USB modems
- D. they are PCI or ISA expansion cards
Who invented the Napier Bones
- A. John Napier
- B. Samuel Napier
- C. Joseph Jacquard
- D. Charles Babbage
When the computer reboots itself without triggering the hardware based reset, it is called ?
- A. cold booting
- B. hard reboot
- C. cold reboot
- D. soft reboot
EDVAC was produced using which of these concepts ?
- A. packet routing
- B. stored program
- C. circuit switching
- D. packet switching
What is the shortcut for performing warm booting ?
- A. y pressing the Ctrl + Alt keys simultaneously
- B. y pressing the Ctrl + Alt + F1 keys simultaneously
- C. y pressing the Ctrl + Del keys simultaneously
- D. by pressing the Ctrl + Alt + Del keys simultaneously