Practice Test: Question Set - 50
1. Conversion of binary number 1010101000010111 to hexadecimal number is
- (A) D8F916
- (B) A8B916
- (C) AA1716
- (D) D9F816
2. ILLIAC is a
- (A) Super
computer
- (B) Mini
computer
- (C) Mainframe
computer
- (D) Micro
computer
3. Which one of the following is the first second-generation computer?
- (A) IBM 7090
- (B) IBM 801
- (C) IBM 7070
- (D) IBM 650
4. Which of the following is a communication network that is devoted to carrying computer information?
- (A) Data point
- (B) Data module
- (C) Data network
- (D) Data pack
5. The first firm to mass-market a microcomputer as a personal computer was
- (A) IBM
- (B) Sperry
Univac
- (C) Radio Shack
- (D) Data
General Corporation
6. Locations in the main memory of a computer are called
- (A) Alphabets
- (B) Words
- (C) Data
- (D) Characters
7. Conversion of an octal number 1428 to binary number is
- (A) 11000102
- (B) 1101102
- (C) 11000112
- (D) 11011012
8. 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) All
of the above
9. Each model of a computer has a unique
- (A) Assembly
language
- (B) Machine
language
- (C) High
level language
- (D) None of the
above
10. How many addresses are required for 25 × 40 video RAM?
- (A) 2000
- (B) 1920
- (C) 1000
- (D) 2000
11. The accuracy of the floating point numbers representable in two 16 bit words of a computer is approximately
- (A) 16
digits
- (B) 6
digits
- (C) 4
digits
- (D) None
of the above
12. The output quality of a printer is measured by
- (A) Dots per
inch
- (B) Dots per
line
- (C) Dots
printed per unit time
- (D) None of the
above
13. All inputs must be in ON position to have an output is known as
- (A) NOT gate
- (B) AND gate
- (C) OR gate
- (D) XOR gate
14. The intersection of a column and row in a spreadsheet is called a bon or
- (A) Key
- (B) Field
- (C) Cell
- (D) Menu
15. Which of the following will happen when data is entered into a memory location?
- (A) It will add
to the content of the location
- (B) It will
change the address of the memory location
- (C) It will
erase the previous content
- (D) It will not
be fruitful if there is already some data at that location
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