Computing & Informatics - MCQ from AMIE exams (Winter 2019)

1. The term ‘Pentium’ is related to
(a) DVD
(b) Hard Disk
(c) Microprocessor
(d)Mouse

2. What does HTTP stands for?
(a) Head Tail Transfer Protocol
(b) Hypertext Transfer Protocol
(c) Hypertext Transfer Plotter
(d) Hypertext Transfer Plot

3. What type of software creates a smaller file that is faster to transfer over the Internet ?
(a) Compression
(b) Fragmentation
(c) Encapsulation
(d) Unzipped

4. Which is NOT a key word of C language
(a) if
(b) else
(c) while
(d) in

5. Data type ‘char’ of C language has a size equal to
(a) one byte
(b) two byte
(c) two bit
(d) one bit

6. The word ‘associative’ is related with
(a) main memory
(b) cache memory
(c) harddisk
(d) microprocessor

7. LAN stands for
(a) Large area network
(b) Long area network
(c) Local area network
(d) Light area network

8. The property/properties of a database is/are :
(a) It is an integrated collection of logically related records.
(b) It consolidates separate files into a common pool of data records.
(c) Data stored in a database is independent of the application programs using it
(d) All of the above

9. Which is the equivalent decimal of a signed number (11010010)₂ represented in 8-bit 2’s compliment binary form.
(a) -92
(b) -46
(c) -210
(d) 210

10. BIOS used during
(a) Booting time
(b) Compile time
(c) Shutdown time
(d) Execution time

Answers

1. (c)

2. (b)

3. (a)

4. (d) There is a total of 32 keywords in C. See following table.


5. (a) 1 byte or 8 bits

6. (b) The time required to find an object stored in memory can be significantly reduced if the stored data can be identified by the content of the data for its own use rather than by access. A memory unit accessed by a material is known as an associative memory or a content addressable memory (CAM). This type of memory is accessed simultaneously and in parallel based on the data content rather than the specific address or location. if a word is written in associative memory, no address is given. Memory is capable of finding empty unused space to store the word, or part of the word specified. memory detects all words that match the specified content and marks them for reading.

7. (c)

8. (d)

9. (b) 
Step 1: Is this a positive or a negative number?
In a signed binary two's complement, the first bit (the leftmost) indicates the sign,
1 = negative, 0 = positive.
1101 0010 is the binary representation of a negative integer, on 8 bits.

Step 2. Get the binary representation in one's complement:
Run this step only if the number is negative
Subtract 1 from the binary initial number:
1101 0010 - 1 = 1101 0001

Step 3: 3. Get the binary representation of the positive (unsigned) number:
Run this step only if the number is negative
Flip all the bits in the signed binary one's complement representation (reverse the digits i.e. 0 to 1 and 1 to 0) - replace the bits set on 1 with 0s and the bits on 0 with 1s:
1101 0001 = 0010 1110

Step 4. Map the unsigned binary number's digits versus the corresponding powers of 2 that their place value represent:
0010 11102 
= (0 × 27 + 0 × 26 + 1 × 25 + 0 × 24 + 1 × 23 + 1 × 22 + 1 × 21 + 0 × 20)10 
= 4610
If needed, adjust the sign of the integer number by the first digit (leftmost) of the signed binary:
1101 0010₂ = - 46₁₀

10. (a) BIOS, in full Basic Input/Output System, is the computer program that is typically stored in EPROM and used by the CPU to perform start-up procedures when the computer is turned on. Its two major procedures are determining what peripheral devices (keyboard, mouse, disk drives, printers, video cards, etc.) are available and loading the operating system (OS) into main memory. 

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The study material for AMIE/B Tech/Junior Engineer exams is available at https://amiestudycircle.com


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