Computer Knowledge
1. Motorola is well known for making chips for ____________ computers.
(1) Dell
(2) Apple
(3) IBM notebook
(4) Mainframe
(5) Supercomputer
Ans. (2) Motorola is well known for making chips for Apple computers.
2. The first step in the CPU machine cycle is _____.
(1) Fetch
(2) Execute
(3) Decode
(4) Store
(5) None of these
Ans. (1) The first step in the CPU machine cycle is fetching.
3. The purpose of cache is to ______.
(1) store data that will be moved from one computer to another
(2) hold frequently used instructions and data to speed processing
(3) permanently store data that is retained when the computer is turned off
(4) temporarily hold data as it is about to be sent through the ALU for execution
(5) None of these
Ans. (2) cache hold frequently used instructions and data to speed processing.
4. Which of the following statements about the CPU is FALSE?
(1) The machine cycle is a repetitive set of steps performed by the CPU.
(2) The CPU clock cycle determines how quickly the computer accomplishes a process.
(3) The complexity of the CPU design permits unlimited storage space.
(4) The CPU's control unit remembers the proper sequence for the processing stages.
(5) The complexity of the CPU design permits limited storage space
Ans. (3) The complexity of the CPU design permits unlimited storage space.
5. One of the functions of the arithmetic logic unit is to ______.
(1) receive data from the registers.
(2) convert negative numbers to hexadecimal code.
(3) send logical operations, such as AND or NOT, to the alphabetic unit.
(4) retrieve data from virtual memory
(5) send data to virtual memory.
Ans. (1) One of the functions of the arithmetic logic unit is to receive data from the registers.
6. Random Access Memory is ____.
(1) faster than cache memory.
(2) essential for long-term storage.
(3) integrated within the CPU
(4) determined by the type and speed of the CPU
(5) None of these
Ans. (4) Random Access Memory is determined by the type and speed of the CPU.
7. ____________ is a type of memory that recharges leaky capacitors so they continue to retain stored data.
(1) PROM
(2) Cache
(3) SRAM
(4) DRAM
(5) SDRAM
Ans. (4) DRAM is a type of memory that recharges leaky capacitors so they continue to retain stored data.
8. A(n) ____________ enables sound cards to communicate with the motherboard.
(1) pipeline
(2) modem
(3) local bus
(4) expansion bus
(5) None of these
Ans. (4) Expansion bus enables sound cards to communicate with the motherboard.
9. The Analysis step of the SDLC results in a _______.
(1) Make or buy decision.
(2) Set of user requirements.
(3) Program code listing.
(4) Set of diagrams and flowcharts of the new system
(5) None of these
Ans. (2) The Analysis step of the SDLC results in a set of user requirements.
10. The systems analyst's role in a software project is to _______.
(1) Provide documentation for the new system that needs to be written.
(2) Interact with users to determine their specific needs.
(3) Manage and coordinate software project efforts.
(4) Write program source code based on design specifications
(5) None of these
Ans. (2) Interact with users to determine their specific needs
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