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Home » Engineering » Computer Science » Aptitude Test - 51
1.Access time in a computer memory is the time required to
A. Locate the stored data
B. Retrieve the stored data
C. Both locate and retrieve the data
D. Locate the stored data
2.In negative logic, the logic state 1 corresponds to
A. negative voltage
B. zero voltage
C. more negative voltage
D. negative voltage
3.Which of the following is a part of the Central Processing Unit?
A. Printer
B. Keyboard
C. Mouse
D. Printer
4.The least expensive OCR units can read
A. hand printed numbers
B. machine printed numbers
C. marks
D. hand printed numbers
5.The input unit of a computer
A. feeds data to the CPU or memory
B. retrieves data from CPU
C. directs all other units
D. feeds data to the CPU or memory
6.File specification books are created primarily for the use of
A. systems analysts
B. programmers
C. operators
D. systems analysts
7.Which of the following is used as storage locations both in the ALU and the control section of a computer?
A. accumulator
B. register
C. adder
D. accumulator
8.The attribution of human form or qualities to things such as machines or computers is called
A. cybernetics
B. cybernation
C. artificial intelligence
D. cybernetics
9.The technique designed to support the effective access of micro-filmed data is:
A. Microfiche retrieval
B. COM
C. Micrographics
D. Microfiche retrieval
10.Which of the following persons probably has the least amount of technical knowledge?
A. User
B. Computer Operator
C. System Analyst
D. User
11.What is the name of the computer terminal which gives paper printout?
A. Display screen
B. Soft copy terminal
C. Hard copy terminal
D. Display screen
12.The primary advantage of key-to-tape data-entry systems is:
A. A large percentage of editing can be performed at the time of data entry
B. Key verification is easily performed
C. The tape is reusable
D. A large percentage of editing can be performed at the time of data entry
13.An advantage of overlapped processing activities is:
A. more effective use of the CPU
B. increased processing activities for the entire system
C. better coordination of I/O activities
D. more effective use of the CPU
14.Primary storage is _____as compared to secondary storage.
A. Slow and inexpensive
B. Fast and inexpensive
C. Fast and expensive
D. Slow and inexpensive
15.If the processor of a computer does not have a direct and unassisted access to data items, these items are said to be
A. offline
B. remote
C. disconnected
D. offline
16.A microprocessor integrates the arithmetic logic and control circuitry of a computer into one chip. The first microprocessor was built by a group of engineers at the Intel Corpn. Can you tell who headed this group?
A. Victor Poor
B. Stan Mazor
C. Marcian E. (Ted) Hoff
D. Victor Poor
17.In the IBM PC-AT, what do the words AT stand for?
A. Additional terminals
B. Advance technology
C. Applied technology
D. Additional terminals
18.The punched card used in the IBM System/3 contains
A. 80 columns
B. 120 columns
C. 96 columns
D. 80 columns
19.Which of the following is associated with networks?
A. Download, node
B. Star topology
C. Point-to-Point
D. Download, node
20.Which was the first computer to use transistors instead of vacuum tubes?
A. Intel-650
B. Burroughs E-101
C. Datamatic-1000
D. Intel-650
21.The binary equivalent of the Hexadecimal number 7BD is
A. 11110111101
B. 1.1101E+11
C. 1.0111E+11
D. 11110111101
22.Which of the following is non-impact printer?
A. Drum printer
B. Line printer
C. Chain printer
D. Drum printer
23.When used with I/O devices, the term intelligent implies
A. a color output capability
B. speech processing capability
C. high speed printing capability
D. a color output capability
24.A prefix for billion which is equal to _____ is called as billi.
A. 100
B. 10000
C. 1000
D. 100
25.The operation of a digital computer is based on _____ principle.
A. counting
B. measuring
C. electronic
D. counting
26.Which of the following Indian companies designs and manufactures super- computers?
A. C-DOT
B. C-DAC
C. CMC
D. C-DOT
27.Which of the following memories needs refresh?
A. SRAM
B. DRAM
C. ROM
D. SRAM
28.Which of the following is not a sequence storage device?
A. Magnetic disk
B. Magnetic tape
C. Paper tape
D. Magnetic disk
29.The computers that we use are digital whereas we live in an analog world which means that we have to translate analog data into digital data. What is the name of the circuit which helps us in this conversion?
A. D/A converter
B. A/D converter
C. Voice recognition
D. D/A converter
30.What is the name of the memory card which is conceptually related to the smart card but is similar to the video disk?
A. Laser card
B. Master card
C. Visa
D. Laser card
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