Practice Test: Question Set - 15
1. Time during which a job is processed by the computer is
- (A) Delay time
- (B) Real time
- (C) Execution
time
- (D) Down
time
2. If you see a diskette with a piece of foil covering its notch, it is said to be
- (A) Write-protected
- (B) Copy-protected
- (C) Write-enabled
- (D) Foil-covered
3. The ALU of a central processing unit does the essential maths work for the computer. What does the control unit do?
- (A) Communicates
its results
- (B) Activates
the output device
- (C) Monitors
the flow of information
- (D) Control
the printer
4. Whenever a peripheral is being controlled by the CPU, it is said to be online. If additionally, the computer files are updated as soon as any change takes place, the system is called
- (A) Quick
processing system
- (B) Batch
processing system
- (C) Real
time system
- (D) Remote
processing system
5. The analog computer measures dimensions and its circuits use the differential and integral equations of continuous variables. The digital computer counts units and its circuits use
- (A) Logic gates
- (B) Discrete
switches
- (C) Boolean
algebra i.e., Bayes' theorem
- (D) None
of the above
6. The binary equivalent of the Octal number 13.54 is
- (A) 1011.1011
- (B) 1101.1110
- (C) 1001.1110
- (D) All
of the above
7. Which of the following statements is true?
- (A) The
installation of a computer is favorably received by all employees
- (B) Some
form of training is necessary for employees who will work with computers
- (C) Computers
are portrayed solely as society's benefactor
- (D) A
businessperson is only interested in the computer's accuracy
8. What is the name of the visible silver rectangle which separates the take-up portion of the magnetic tape from the data recording portion?
- (A) Load
maker
- (B) Load
marker
- (C) Tape
separator
- (D) Tape
marker
9. A billionth of a second is defined as a:
- (A) Millisecond
- (B) Microsecond
- (C) Nanosecond
- (D) Picoseconds
10. Which of the following holds data and processing instructions temporarily until the CPU needs it?
- (A) ROM
- (B) Control unit
- (C) Main
memory
- (D) Coprocessor
chips
11. A computer program consists of
- (A) System
flowchart
- (B) Program
flowchart
- (C) Algorithms
written in computer's language
- (D) Discrete
logical steps
12. A acronym for the organization that publishes programming language standard is
- (A) BCD
- (B) ANSI
- (C) EBCDIC
- (D) None
of the above
13. A computer with CPU speed around 100 million instructions per second & with the word length of around 64 bits is known as
- (A) Super
computer
- (B) Mini
computer
- (C) Micro
computer
- (D) None
of the above
14. Diskettes and hard disks are
- (A) Direct
access devices
- (B) Sequential
access devices
- (C) Slower
than magnetic tape
- (D) Used
only in mainframe computers
15. Super computers are primarily useful for
- (A) Input-output
intensive processing
- (B) Data-retrieval
operations
- (C) Mathematical-intensive
scientific applications
- (D) All
of the above
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