Lexical Test
I. True or False.
1. A computer is a device that accept data, then performs mathematical or logical operations that manipulate or change the data, and finally produces new results from that data.
2. By analog we mean a computer that uses the binary arithmetic system as the basic for its operation.
3. Software is a term used to describe equipment for a computer.
4. A program is series, or sets, of instructions.
5. A computer system is one that consists of only hardware and software components.
6. Software stores and manipulates data and executes instructions provided by the hardware component.
7. Information is what the computer delivers after processing data.
8. Integrated circuits are also called chips.
9. Peripheral devices allow the user to interact with the computer.
10. Volatile memory retains its integrity even when the electricity is shut off.
II. Multiple Choice
1. What do we call the process of giving the computer instruction?
a) Instructing b) Programming c) Writing d) Inputting
2. The two types of operations a computer performs are
a) analog and binary b) reading and writing c) mathematical and logical d) ones and zeroes
3. A digital computer means
a) it continuously measures changing values
b) it operates on a system of ones and zeroes
c) it is mainly used for business
d) it is mainly used for research.
4. A person who instructs the computer in specific tasks is called a
a) user b) technician c) programmer d) processor
5. The device used to produce the finished product is usually the
a) printer b) monitor c) system unit d) keyboard
6. The term we use to describe programs and instructions written for the computer is
a) hardware b) software c) analog d) digital
7. A computer system is one that consists of hardware, software and
a) CPU b) people c) peripheral devices d) data
8. System software works between the
a) user and hardware layers
b) hardware and application software layers
c) peripheral devices and the CPU
d) the user and system layers
9. Memory is the general term used to describe
a) the size of the CPU
b) a computer’s peripheral devices
c) a computer’s storage
d) a computer’s output device
10. A common auxiliary storage device is the
a) disk drive b) mouse c) keyboard d) CPU
11. A computer with a CPU designed to process eight bit bytes is called
a) an eight bit machine b) an eight byte machine c) a sixteen bit machine d) a sixteen byte machine
12. Processed data is still just data until
a) the CPU stores it in main memory b) it is stored in auxiliary storage c) it is processed by the CPU d) people turn it into useful information
13. The component of the computer system that provides the instructions for processing data is the
a) hardware b) software c) CPU d) ALU
III. Matching
1. --------------------------------------------------- data
2. --------------------------------------------------- computer
3. --------------------------------------------------- errors
4. --------------------------------------------------- logical
5. --------------------------------------------------- system and application
6. --------------------------------------------------- nonvolatile memory
7. --------------------------------------------------- floppy disk
8. --------------------------------------------------- byte
9. --------------------------------------------------- hard disk
10. ------------------------------------------------- word
11.--------------------------------------------------RAM
12. ------------------------------------------------- binary number system
a. These occur when computers have been improperly programmed.
b. Includes respect for someone else's machine and private files, and honoring copyright laws by not making unauthorized copies of programs.
c. This is used as an auxiliary storage device for large amounts of data.
d. An area in which information plays a significant role in everyday life.
e. This is one of operation a computer performs.
f. This memory is long-term.
g. Bytes are sometimes grouped to form the logical units.
h. These are two types of software.
i. The basic language of computer hardware comprised of ones and zeroes.
j. Software frequently comes on this type of media.
k. A group of eight bits is referred to as this.
l. This is the volatile memory included on the motherboard.