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Home » Engineering » Aptitude Test - 134
Hassan
1.The binary equivalent of the Octal number 13.54 is
A. 1011.1011
B. 1101.111
C. 1001.111
D. 1011.1011
2.What process prepares the magnetic surface of a disk by creating concentric circles, called tracks, around the disk? (Each track is further divided into pic-shaped sections called sectors.)
A. Tracking
B. Formatting
C. Copying
D. Tracking
3.One of the main feature that distinguish microprocessors from microcomputers is
A. words are usually larger in microprocessors
B. words are shorter in microprocessors
C. microprocessor does not contain I/O devices
D. words are usually larger in microprocessors
4.Which type of display is the latest to be used for portable computer?
A. LED display
B. LCD display
C. Plasma display
D. LED display
5.Which of the following is not true of future computers?
A. increased use of CAD/CAM techniques
B. faster turnaround time
C. developments in artificial intelligence systems
D. increased use of CAD/CAM techniques
6.The EAM device that does not use a control panel is the:
A. collator
B. reproducer
C. interpreter
D. collator
7.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. quick processing system
8.The following is true about 2-out of-5 code:
A. it is weighted code
B. it is unweighted code
C. it has odd parity
D. it is weighted code
9.The Josephson tunneling device illustrates principles associated with the advanced storage technique:
A. cryogenics
B. CCD
C. EBAM
D. cryogenics
10.Communication between computers using standard telephone service
A. Requires a change to an analog signal
B. Is the most efficient
C. Produces little noise and few disturbances
D. Requires a change to an analog signal
11.A floppy disk contains
A. Circular tracks only
B. Sectors only
C. Both circular tracks and sector
D. Circular tracks only
12.What is meant by quad-density (QD) diskette?
A. It is double-sided disk
B. It is double density disk
C. It has double the number of tracks per inch
D. It is double-sided disk
13.Large computer system typically uses:
A. Line printers
B. Ink-jet printers
C. Dot-matrix printers
D. Line printers
14.First generation computers are characterised by
A. Vaccum tubes and magnetic drum
B. Minicomputers
C. Magnetic tape and transistors
D. Vaccum tubes and magnetic drum
15.Can you tell what passes into and out from the computer via its ports?
A. Data
B. Bytes
C. Graphics
D. Data
16.What is the general name of the device which produces hardcopy graphics?
A. COM
B. Plotter
C. Printer
D. COM
17.When a disk stack is serviced by a comb-like access mechanism, there is one read/write head for each
A. disk
B. disk surface
C. track
D. disk
18.In comparison to the internal (main) memory, tape or disk memory is
A. slower and more expensive
B. slower and less expensive
C. faster and more expensive
D. slower and more expensive
19.Which of the following input/output devices is not associated with personal computers?
A. mice
B. color monitors
C. punched cards
D. mice
20.The ALU of a computer responds to the commands coming from
A. primary memory
B. control section
C. external memory
D. primary memory
21.The heart of any computer is the
A. CPU
B. Memory
C. I/O Unit
D. CPU
22.Which of the following are likely to jam the read/write head of a disk pack?
A. Dust
B. Smoke particle
C. Finger print smudge
D. Dust
23.Impact printers
A. strike a ribbon against the paper to produce character images
B. include ink-jet and thermal devices
C. are more expensive than Laser printers
D. strike a ribbon against the paper to produce character images
24.Which of the following is not a practical data-processing approach?
A. batch-sequential
B. batch-direct
C. immediate-sequential
D. batch-sequential
25.Bit map terminal
A. support displays containing multiple windows
B. requires considerable amount of video RAM
C. requires tremendous amount of copying and hence low performance
D. support displays containing multiple windows
26.A 32 bit microprocessor has the word length equal to
A. 2 bytes
B. 32 bytes
C. 4 bytes
D. 2 bytes
27.The register which holds the address of the location to or from which data are to be transferred is known as
A. index register
B. instruction register
C. memory address register
D. index register
28.In simplex transmission
A. Data format is simple
B. Data transmission is one way
C. Data can be transmitted to small distances only
D. Data format is simple
29.Each model of a computer has a unique
A. Assembly language
B. Machine language
C. High level language
D. Assembly language
30.Transistorized computer circuits were introduced in the
A. first generation
B. second generation
C. thir4 generation
D. first generation
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